Home / 108,677.09-162,997.18-28,715.93

Finding the Fourth Proportional to 108,677.09, 162,997.18 and 28,715.93

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Solution

The fourth proportional to 108,677.09, 162,997.18 and 28,715.93 is: 43,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,677.09 : 162,997.18 = 28,715.93 : x
  2. Step 2: Convert to fraction form
    108,677.09/162,997.18 = 28,715.93/x
  3. Step 3: Cross multiply
    108,677.09x = 162,997.18 × 28,715.93
  4. Step 4: Simplify right side
    108,677.09x = 4,680,616,252.40
  5. Step 5: Solve for x
    x = 4,680,616,252.40/108,677.09
  6. Step 6: Final answer
    x = 43,069.02

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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.