Home / 157,218.30-235,827.45-109,979.10

Finding the Fourth Proportional to 157,218.30, 235,827.45 and 109,979.10

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Solution

The fourth proportional to 157,218.30, 235,827.45 and 109,979.10 is: 164,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,218.30 : 235,827.45 = 109,979.10 : x
  2. Step 2: Convert to fraction form
    157,218.30/235,827.45 = 109,979.10/x
  3. Step 3: Cross multiply
    157,218.30x = 235,827.45 × 109,979.10
  4. Step 4: Simplify right side
    157,218.30x = 25,936,090,706.30
  5. Step 5: Solve for x
    x = 25,936,090,706.30/157,218.30
  6. Step 6: Final answer
    x = 164,968.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.