Home / 90,171.38-135,169.16-37,595.90

Finding the Fourth Proportional to 90,171.38, 135,169.16 and 37,595.90

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Solution

The fourth proportional to 90,171.38, 135,169.16 and 37,595.90 is: 56,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,171.38 : 135,169.16 = 37,595.90 : x
  2. Step 2: Convert to fraction form
    90,171.38/135,169.16 = 37,595.90/x
  3. Step 3: Cross multiply
    90,171.38x = 135,169.16 × 37,595.90
  4. Step 4: Simplify right side
    90,171.38x = 5,081,805,640.59
  5. Step 5: Solve for x
    x = 5,081,805,640.59/90,171.38
  6. Step 6: Final answer
    x = 56,357.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.