Home / 132,285.91-182,526.04-78,588.98

Finding the Fourth Proportional to 132,285.91, 182,526.04 and 78,588.98

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Solution

The fourth proportional to 132,285.91, 182,526.04 and 78,588.98 is: 108,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.91 : 182,526.04 = 78,588.98 : x
  2. Step 2: Convert to fraction form
    132,285.91/182,526.04 = 78,588.98/x
  3. Step 3: Cross multiply
    132,285.91x = 182,526.04 × 78,588.98
  4. Step 4: Simplify right side
    132,285.91x = 14,344,535,307.04
  5. Step 5: Solve for x
    x = 14,344,535,307.04/132,285.91
  6. Step 6: Final answer
    x = 108,435.85

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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.