Home / 157,542.22-217,426.95-89,569.45

Finding the Fourth Proportional to 157,542.22, 217,426.95 and 89,569.45

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Solution

The fourth proportional to 157,542.22, 217,426.95 and 89,569.45 is: 123,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,542.22 : 217,426.95 = 89,569.45 : x
  2. Step 2: Convert to fraction form
    157,542.22/217,426.95 = 89,569.45/x
  3. Step 3: Cross multiply
    157,542.22x = 217,426.95 × 89,569.45
  4. Step 4: Simplify right side
    157,542.22x = 19,474,812,326.68
  5. Step 5: Solve for x
    x = 19,474,812,326.68/157,542.22
  6. Step 6: Final answer
    x = 123,616.47

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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.