Home / 108,672.13-162,989.52-28,710.96

Finding the Fourth Proportional to 108,672.13, 162,989.52 and 28,710.96

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Solution

The fourth proportional to 108,672.13, 162,989.52 and 28,710.96 is: 43,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,672.13 : 162,989.52 = 28,710.96 : x
  2. Step 2: Convert to fraction form
    108,672.13/162,989.52 = 28,710.96/x
  3. Step 3: Cross multiply
    108,672.13x = 162,989.52 × 28,710.96
  4. Step 4: Simplify right side
    108,672.13x = 4,679,584,870.26
  5. Step 5: Solve for x
    x = 4,679,584,870.26/108,672.13
  6. Step 6: Final answer
    x = 43,061.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.