Home / 125,148.96-187,729.20-46,248.48

Finding the Fourth Proportional to 125,148.96, 187,729.20 and 46,248.48

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Solution

The fourth proportional to 125,148.96, 187,729.20 and 46,248.48 is: 69,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,148.96 : 187,729.20 = 46,248.48 : x
  2. Step 2: Convert to fraction form
    125,148.96/187,729.20 = 46,248.48/x
  3. Step 3: Cross multiply
    125,148.96x = 187,729.20 × 46,248.48
  4. Step 4: Simplify right side
    125,148.96x = 8,682,190,151.62
  5. Step 5: Solve for x
    x = 8,682,190,151.62/125,148.96
  6. Step 6: Final answer
    x = 69,374.85

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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.