Home / 161,725.20-242,587.80-144,812.40

Finding the Fourth Proportional to 161,725.20, 242,587.80 and 144,812.40

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Solution

The fourth proportional to 161,725.20, 242,587.80 and 144,812.40 is: 217,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.20 : 242,587.80 = 144,812.40 : x
  2. Step 2: Convert to fraction form
    161,725.20/242,587.80 = 144,812.40/x
  3. Step 3: Cross multiply
    161,725.20x = 242,587.80 × 144,812.40
  4. Step 4: Simplify right side
    161,725.20x = 35,129,721,528.72
  5. Step 5: Solve for x
    x = 35,129,721,528.72/161,725.20
  6. Step 6: Final answer
    x = 217,218.60

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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.