Home / 132,884.34-183,376.40-72,456.18

Finding the Fourth Proportional to 132,884.34, 183,376.40 and 72,456.18

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Solution

The fourth proportional to 132,884.34, 183,376.40 and 72,456.18 is: 99,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,884.34 : 183,376.40 = 72,456.18 : x
  2. Step 2: Convert to fraction form
    132,884.34/183,376.40 = 72,456.18/x
  3. Step 3: Cross multiply
    132,884.34x = 183,376.40 × 72,456.18
  4. Step 4: Simplify right side
    132,884.34x = 13,286,753,446.15
  5. Step 5: Solve for x
    x = 13,286,753,446.15/132,884.34
  6. Step 6: Final answer
    x = 99,987.35

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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.