Home / 90,171.83-124,446.48-51,932.74

Finding the Fourth Proportional to 90,171.83, 124,446.48 and 51,932.74

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Solution

The fourth proportional to 90,171.83, 124,446.48 and 51,932.74 is: 71,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,171.83 : 124,446.48 = 51,932.74 : x
  2. Step 2: Convert to fraction form
    90,171.83/124,446.48 = 51,932.74/x
  3. Step 3: Cross multiply
    90,171.83x = 124,446.48 × 51,932.74
  4. Step 4: Simplify right side
    90,171.83x = 6,462,846,689.76
  5. Step 5: Solve for x
    x = 6,462,846,689.76/90,171.83
  6. Step 6: Final answer
    x = 71,672.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.