Home / 157,542.35-217,427.13-89,569.58

Finding the Fourth Proportional to 157,542.35, 217,427.13 and 89,569.58

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Solution

The fourth proportional to 157,542.35, 217,427.13 and 89,569.58 is: 123,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,542.35 : 217,427.13 = 89,569.58 : x
  2. Step 2: Convert to fraction form
    157,542.35/217,427.13 = 89,569.58/x
  3. Step 3: Cross multiply
    157,542.35x = 217,427.13 × 89,569.58
  4. Step 4: Simplify right side
    157,542.35x = 19,474,855,627.57
  5. Step 5: Solve for x
    x = 19,474,855,627.57/157,542.35
  6. Step 6: Final answer
    x = 123,616.64

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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.