Home / 125,276.09-187,894.12-36,508.83

Finding the Fourth Proportional to 125,276.09, 187,894.12 and 36,508.83

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Solution

The fourth proportional to 125,276.09, 187,894.12 and 36,508.83 is: 54,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,276.09 : 187,894.12 = 36,508.83 : x
  2. Step 2: Convert to fraction form
    125,276.09/187,894.12 = 36,508.83/x
  3. Step 3: Cross multiply
    125,276.09x = 187,894.12 × 36,508.83
  4. Step 4: Simplify right side
    125,276.09x = 6,859,794,485.08
  5. Step 5: Solve for x
    x = 6,859,794,485.08/125,276.09
  6. Step 6: Final answer
    x = 54,757.41

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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.