Home / 92,172.20-138,257.12-50,318.92

Finding the Fourth Proportional to 92,172.20, 138,257.12 and 50,318.92

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Solution

The fourth proportional to 92,172.20, 138,257.12 and 50,318.92 is: 75,477.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,172.20 : 138,257.12 = 50,318.92 : x
  2. Step 2: Convert to fraction form
    92,172.20/138,257.12 = 50,318.92/x
  3. Step 3: Cross multiply
    92,172.20x = 138,257.12 × 50,318.92
  4. Step 4: Simplify right side
    92,172.20x = 6,956,948,960.71
  5. Step 5: Solve for x
    x = 6,956,948,960.71/92,172.20
  6. Step 6: Final answer
    x = 75,477.74

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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.