Home / 125,162.80-187,744.10-50,282.96

Finding the Fourth Proportional to 125,162.80, 187,744.10 and 50,282.96

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Solution

The fourth proportional to 125,162.80, 187,744.10 and 50,282.96 is: 75,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,162.80 : 187,744.10 = 50,282.96 : x
  2. Step 2: Convert to fraction form
    125,162.80/187,744.10 = 50,282.96/x
  3. Step 3: Cross multiply
    125,162.80x = 187,744.10 × 50,282.96
  4. Step 4: Simplify right side
    125,162.80x = 9,440,329,070.54
  5. Step 5: Solve for x
    x = 9,440,329,070.54/125,162.80
  6. Step 6: Final answer
    x = 75,424.40

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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.