Home / 157,329.63-217,116.38-89,348.02

Finding the Fourth Proportional to 157,329.63, 217,116.38 and 89,348.02

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Solution

The fourth proportional to 157,329.63, 217,116.38 and 89,348.02 is: 123,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,329.63 : 217,116.38 = 89,348.02 : x
  2. Step 2: Convert to fraction form
    157,329.63/217,116.38 = 89,348.02/x
  3. Step 3: Cross multiply
    157,329.63x = 217,116.38 × 89,348.02
  4. Step 4: Simplify right side
    157,329.63x = 19,398,918,662.57
  5. Step 5: Solve for x
    x = 19,398,918,662.57/157,329.63
  6. Step 6: Final answer
    x = 123,301.11

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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.