Home / 157,330.13-217,117.07-89,348.52

Finding the Fourth Proportional to 157,330.13, 217,117.07 and 89,348.52

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Solution

The fourth proportional to 157,330.13, 217,117.07 and 89,348.52 is: 123,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,330.13 : 217,117.07 = 89,348.52 : x
  2. Step 2: Convert to fraction form
    157,330.13/217,117.07 = 89,348.52/x
  3. Step 3: Cross multiply
    157,330.13x = 217,117.07 × 89,348.52
  4. Step 4: Simplify right side
    157,330.13x = 19,399,088,871.24
  5. Step 5: Solve for x
    x = 19,399,088,871.24/157,330.13
  6. Step 6: Final answer
    x = 123,301.80

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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.