Home / 132,538.41-182,956.32-90,122.76

Finding the Fourth Proportional to 132,538.41, 182,956.32 and 90,122.76

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Solution

The fourth proportional to 132,538.41, 182,956.32 and 90,122.76 is: 124,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,538.41 : 182,956.32 = 90,122.76 : x
  2. Step 2: Convert to fraction form
    132,538.41/182,956.32 = 90,122.76/x
  3. Step 3: Cross multiply
    132,538.41x = 182,956.32 × 90,122.76
  4. Step 4: Simplify right side
    132,538.41x = 16,488,528,517.84
  5. Step 5: Solve for x
    x = 16,488,528,517.84/132,538.41
  6. Step 6: Final answer
    x = 124,405.66

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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.