Home / 92,251.32-138,374.52-25,688.76

Finding the Fourth Proportional to 92,251.32, 138,374.52 and 25,688.76

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Solution

The fourth proportional to 92,251.32, 138,374.52 and 25,688.76 is: 38,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,251.32 : 138,374.52 = 25,688.76 : x
  2. Step 2: Convert to fraction form
    92,251.32/138,374.52 = 25,688.76/x
  3. Step 3: Cross multiply
    92,251.32x = 138,374.52 × 25,688.76
  4. Step 4: Simplify right side
    92,251.32x = 3,554,669,834.40
  5. Step 5: Solve for x
    x = 3,554,669,834.40/92,251.32
  6. Step 6: Final answer
    x = 38,532.45

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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.