Home / 132,374.07-182,702.78-78,648.73

Finding the Fourth Proportional to 132,374.07, 182,702.78 and 78,648.73

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Solution

The fourth proportional to 132,374.07, 182,702.78 and 78,648.73 is: 108,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,374.07 : 182,702.78 = 78,648.73 : x
  2. Step 2: Convert to fraction form
    132,374.07/182,702.78 = 78,648.73/x
  3. Step 3: Cross multiply
    132,374.07x = 182,702.78 × 78,648.73
  4. Step 4: Simplify right side
    132,374.07x = 14,369,341,614.47
  5. Step 5: Solve for x
    x = 14,369,341,614.47/132,374.07
  6. Step 6: Final answer
    x = 108,551.03

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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.