Home / 125,033.81-187,470.72-54,002.75

Finding the Fourth Proportional to 125,033.81, 187,470.72 and 54,002.75

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Solution

The fourth proportional to 125,033.81, 187,470.72 and 54,002.75 is: 80,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,033.81 : 187,470.72 = 54,002.75 : x
  2. Step 2: Convert to fraction form
    125,033.81/187,470.72 = 54,002.75/x
  3. Step 3: Cross multiply
    125,033.81x = 187,470.72 × 54,002.75
  4. Step 4: Simplify right side
    125,033.81x = 10,123,933,487.13
  5. Step 5: Solve for x
    x = 10,123,933,487.13/125,033.81
  6. Step 6: Final answer
    x = 80,969.57

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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.