Home / 125,125.52-187,688.27-31,631.27

Finding the Fourth Proportional to 125,125.52, 187,688.27 and 31,631.27

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Solution

The fourth proportional to 125,125.52, 187,688.27 and 31,631.27 is: 47,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,125.52 : 187,688.27 = 31,631.27 : x
  2. Step 2: Convert to fraction form
    125,125.52/187,688.27 = 31,631.27/x
  3. Step 3: Cross multiply
    125,125.52x = 187,688.27 × 31,631.27
  4. Step 4: Simplify right side
    125,125.52x = 5,936,817,484.84
  5. Step 5: Solve for x
    x = 5,936,817,484.84/125,125.52
  6. Step 6: Final answer
    x = 47,446.90

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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.