Home / 125,285.55-187,910.09-36,515.22

Finding the Fourth Proportional to 125,285.55, 187,910.09 and 36,515.22

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Solution

The fourth proportional to 125,285.55, 187,910.09 and 36,515.22 is: 54,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,285.55 : 187,910.09 = 36,515.22 : x
  2. Step 2: Convert to fraction form
    125,285.55/187,910.09 = 36,515.22/x
  3. Step 3: Cross multiply
    125,285.55x = 187,910.09 × 36,515.22
  4. Step 4: Simplify right side
    125,285.55x = 6,861,578,276.57
  5. Step 5: Solve for x
    x = 6,861,578,276.57/125,285.55
  6. Step 6: Final answer
    x = 54,767.52

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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.