Home / 125,728.12-188,586.51-36,984.52

Finding the Fourth Proportional to 125,728.12, 188,586.51 and 36,984.52

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Solution

The fourth proportional to 125,728.12, 188,586.51 and 36,984.52 is: 55,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,728.12 : 188,586.51 = 36,984.52 : x
  2. Step 2: Convert to fraction form
    125,728.12/188,586.51 = 36,984.52/x
  3. Step 3: Cross multiply
    125,728.12x = 188,586.51 × 36,984.52
  4. Step 4: Simplify right side
    125,728.12x = 6,974,781,550.83
  5. Step 5: Solve for x
    x = 6,974,781,550.83/125,728.12
  6. Step 6: Final answer
    x = 55,475.11

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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.