Home / 132,394.24-182,705.28-71,965

Finding the Fourth Proportional to 132,394.24, 182,705.28 and 71,965

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Solution

The fourth proportional to 132,394.24, 182,705.28 and 71,965 is: 99,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,394.24 : 182,705.28 = 71,965 : x
  2. Step 2: Convert to fraction form
    132,394.24/182,705.28 = 71,965/x
  3. Step 3: Cross multiply
    132,394.24x = 182,705.28 × 71,965
  4. Step 4: Simplify right side
    132,394.24x = 13,148,385,475.20
  5. Step 5: Solve for x
    x = 13,148,385,475.20/132,394.24
  6. Step 6: Final answer
    x = 99,312.37

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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.