Home / 92,288.64-138,444.54-36,121.50

Finding the Fourth Proportional to 92,288.64, 138,444.54 and 36,121.50

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Solution

The fourth proportional to 92,288.64, 138,444.54 and 36,121.50 is: 54,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,288.64 : 138,444.54 = 36,121.50 : x
  2. Step 2: Convert to fraction form
    92,288.64/138,444.54 = 36,121.50/x
  3. Step 3: Cross multiply
    92,288.64x = 138,444.54 × 36,121.50
  4. Step 4: Simplify right side
    92,288.64x = 5,000,824,451.61
  5. Step 5: Solve for x
    x = 5,000,824,451.61/92,288.64
  6. Step 6: Final answer
    x = 54,186.78

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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.