Home / 115,501.28-159,394.38-67,789.04

Finding the Fourth Proportional to 115,501.28, 159,394.38 and 67,789.04

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Solution

The fourth proportional to 115,501.28, 159,394.38 and 67,789.04 is: 93,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.28 : 159,394.38 = 67,789.04 : x
  2. Step 2: Convert to fraction form
    115,501.28/159,394.38 = 67,789.04/x
  3. Step 3: Cross multiply
    115,501.28x = 159,394.38 × 67,789.04
  4. Step 4: Simplify right side
    115,501.28x = 10,805,192,001.60
  5. Step 5: Solve for x
    x = 10,805,192,001.60/115,501.28
  6. Step 6: Final answer
    x = 93,550.41

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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.