Home / 125,089.97-187,633.30-30,320.97

Finding the Fourth Proportional to 125,089.97, 187,633.30 and 30,320.97

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Solution

The fourth proportional to 125,089.97, 187,633.30 and 30,320.97 is: 45,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,089.97 : 187,633.30 = 30,320.97 : x
  2. Step 2: Convert to fraction form
    125,089.97/187,633.30 = 30,320.97/x
  3. Step 3: Cross multiply
    125,089.97x = 187,633.30 × 30,320.97
  4. Step 4: Simplify right side
    125,089.97x = 5,689,223,660.30
  5. Step 5: Solve for x
    x = 5,689,223,660.30/125,089.97
  6. Step 6: Final answer
    x = 45,481.05

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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.