Home / 132,476.42-182,864.40-78,761.16

Finding the Fourth Proportional to 132,476.42, 182,864.40 and 78,761.16

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Solution

The fourth proportional to 132,476.42, 182,864.40 and 78,761.16 is: 108,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,476.42 : 182,864.40 = 78,761.16 : x
  2. Step 2: Convert to fraction form
    132,476.42/182,864.40 = 78,761.16/x
  3. Step 3: Cross multiply
    132,476.42x = 182,864.40 × 78,761.16
  4. Step 4: Simplify right side
    132,476.42x = 14,402,612,266.70
  5. Step 5: Solve for x
    x = 14,402,612,266.70/132,476.42
  6. Step 6: Final answer
    x = 108,718.31

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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.