Home / 125,014.43-187,502.60-40,774.47

Finding the Fourth Proportional to 125,014.43, 187,502.60 and 40,774.47

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Solution

The fourth proportional to 125,014.43, 187,502.60 and 40,774.47 is: 61,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,014.43 : 187,502.60 = 40,774.47 : x
  2. Step 2: Convert to fraction form
    125,014.43/187,502.60 = 40,774.47/x
  3. Step 3: Cross multiply
    125,014.43x = 187,502.60 × 40,774.47
  4. Step 4: Simplify right side
    125,014.43x = 7,645,317,997.24
  5. Step 5: Solve for x
    x = 7,645,317,997.24/125,014.43
  6. Step 6: Final answer
    x = 61,155.49

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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.