Home / 157,329.38-217,116.03-89,347.77

Finding the Fourth Proportional to 157,329.38, 217,116.03 and 89,347.77

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Solution

The fourth proportional to 157,329.38, 217,116.03 and 89,347.77 is: 123,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,329.38 : 217,116.03 = 89,347.77 : x
  2. Step 2: Convert to fraction form
    157,329.38/217,116.03 = 89,347.77/x
  3. Step 3: Cross multiply
    157,329.38x = 217,116.03 × 89,347.77
  4. Step 4: Simplify right side
    157,329.38x = 19,398,833,111.75
  5. Step 5: Solve for x
    x = 19,398,833,111.75/157,329.38
  6. Step 6: Final answer
    x = 123,300.77

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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.