Home / 132,158.96-182,319.80-78,446.24

Finding the Fourth Proportional to 132,158.96, 182,319.80 and 78,446.24

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Solution

The fourth proportional to 132,158.96, 182,319.80 and 78,446.24 is: 108,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158.96 : 182,319.80 = 78,446.24 : x
  2. Step 2: Convert to fraction form
    132,158.96/182,319.80 = 78,446.24/x
  3. Step 3: Cross multiply
    132,158.96x = 182,319.80 × 78,446.24
  4. Step 4: Simplify right side
    132,158.96x = 14,302,302,787.55
  5. Step 5: Solve for x
    x = 14,302,302,787.55/132,158.96
  6. Step 6: Final answer
    x = 108,220.46

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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.