Home / 108,569.80-162,854.70-102,867.40

Finding the Fourth Proportional to 108,569.80, 162,854.70 and 102,867.40

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Solution

The fourth proportional to 108,569.80, 162,854.70 and 102,867.40 is: 154,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,569.80 : 162,854.70 = 102,867.40 : x
  2. Step 2: Convert to fraction form
    108,569.80/162,854.70 = 102,867.40/x
  3. Step 3: Cross multiply
    108,569.80x = 162,854.70 × 102,867.40
  4. Step 4: Simplify right side
    108,569.80x = 16,752,439,566.78
  5. Step 5: Solve for x
    x = 16,752,439,566.78/108,569.80
  6. Step 6: Final answer
    x = 154,301.10

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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.