Home / 92,152.71-138,218.18-54,224.73

Finding the Fourth Proportional to 92,152.71, 138,218.18 and 54,224.73

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Solution

The fourth proportional to 92,152.71, 138,218.18 and 54,224.73 is: 81,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,152.71 : 138,218.18 = 54,224.73 : x
  2. Step 2: Convert to fraction form
    92,152.71/138,218.18 = 54,224.73/x
  3. Step 3: Cross multiply
    92,152.71x = 138,218.18 × 54,224.73
  4. Step 4: Simplify right side
    92,152.71x = 7,494,843,220.47
  5. Step 5: Solve for x
    x = 7,494,843,220.47/92,152.71
  6. Step 6: Final answer
    x = 81,330.69

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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.