Home / 157,312.13-217,094.38-89,318.30

Finding the Fourth Proportional to 157,312.13, 217,094.38 and 89,318.30

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Solution

The fourth proportional to 157,312.13, 217,094.38 and 89,318.30 is: 123,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,312.13 : 217,094.38 = 89,318.30 : x
  2. Step 2: Convert to fraction form
    157,312.13/217,094.38 = 89,318.30/x
  3. Step 3: Cross multiply
    157,312.13x = 217,094.38 × 89,318.30
  4. Step 4: Simplify right side
    157,312.13x = 19,390,499,652.39
  5. Step 5: Solve for x
    x = 19,390,499,652.39/157,312.13
  6. Step 6: Final answer
    x = 123,261.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.