Home / 125,265.48-187,917.66-42,153

Finding the Fourth Proportional to 125,265.48, 187,917.66 and 42,153

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Solution

The fourth proportional to 125,265.48, 187,917.66 and 42,153 is: 63,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,265.48 : 187,917.66 = 42,153 : x
  2. Step 2: Convert to fraction form
    125,265.48/187,917.66 = 42,153/x
  3. Step 3: Cross multiply
    125,265.48x = 187,917.66 × 42,153
  4. Step 4: Simplify right side
    125,265.48x = 7,921,293,121.98
  5. Step 5: Solve for x
    x = 7,921,293,121.98/125,265.48
  6. Step 6: Final answer
    x = 63,236.04

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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.