Home / 132,373.07-182,701.40-78,647.73

Finding the Fourth Proportional to 132,373.07, 182,701.40 and 78,647.73

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Solution

The fourth proportional to 132,373.07, 182,701.40 and 78,647.73 is: 108,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,373.07 : 182,701.40 = 78,647.73 : x
  2. Step 2: Convert to fraction form
    132,373.07/182,701.40 = 78,647.73/x
  3. Step 3: Cross multiply
    132,373.07x = 182,701.40 × 78,647.73
  4. Step 4: Simplify right side
    132,373.07x = 14,369,049,984.58
  5. Step 5: Solve for x
    x = 14,369,049,984.58/132,373.07
  6. Step 6: Final answer
    x = 108,549.65

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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.