Home / 125,250.18-187,875.65-30,480.38

Finding the Fourth Proportional to 125,250.18, 187,875.65 and 30,480.38

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Solution

The fourth proportional to 125,250.18, 187,875.65 and 30,480.38 is: 45,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,250.18 : 187,875.65 = 30,480.38 : x
  2. Step 2: Convert to fraction form
    125,250.18/187,875.65 = 30,480.38/x
  3. Step 3: Cross multiply
    125,250.18x = 187,875.65 × 30,480.38
  4. Step 4: Simplify right side
    125,250.18x = 5,726,521,204.75
  5. Step 5: Solve for x
    x = 5,726,521,204.75/125,250.18
  6. Step 6: Final answer
    x = 45,720.66

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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.