Home / 125,231.50-187,858.18-31,737.26

Finding the Fourth Proportional to 125,231.50, 187,858.18 and 31,737.26

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Solution

The fourth proportional to 125,231.50, 187,858.18 and 31,737.26 is: 47,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,231.50 : 187,858.18 = 31,737.26 : x
  2. Step 2: Convert to fraction form
    125,231.50/187,858.18 = 31,737.26/x
  3. Step 3: Cross multiply
    125,231.50x = 187,858.18 × 31,737.26
  4. Step 4: Simplify right side
    125,231.50x = 5,962,103,901.79
  5. Step 5: Solve for x
    x = 5,962,103,901.79/125,231.50
  6. Step 6: Final answer
    x = 47,608.66

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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.