Home / 132,475.42-182,863.02-78,760.16

Finding the Fourth Proportional to 132,475.42, 182,863.02 and 78,760.16

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Solution

The fourth proportional to 132,475.42, 182,863.02 and 78,760.16 is: 108,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,475.42 : 182,863.02 = 78,760.16 : x
  2. Step 2: Convert to fraction form
    132,475.42/182,863.02 = 78,760.16/x
  3. Step 3: Cross multiply
    132,475.42x = 182,863.02 × 78,760.16
  4. Step 4: Simplify right side
    132,475.42x = 14,402,321,365.63
  5. Step 5: Solve for x
    x = 14,402,321,365.63/132,475.42
  6. Step 6: Final answer
    x = 108,716.94

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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.