Home / 168,320.38-232,316.70-102,920.39

Finding the Fourth Proportional to 168,320.38, 232,316.70 and 102,920.39

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Solution

The fourth proportional to 168,320.38, 232,316.70 and 102,920.39 is: 142,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,320.38 : 232,316.70 = 102,920.39 : x
  2. Step 2: Convert to fraction form
    168,320.38/232,316.70 = 102,920.39/x
  3. Step 3: Cross multiply
    168,320.38x = 232,316.70 × 102,920.39
  4. Step 4: Simplify right side
    168,320.38x = 23,910,124,691.17
  5. Step 5: Solve for x
    x = 23,910,124,691.17/168,320.38
  6. Step 6: Final answer
    x = 142,051.28

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1.5x scale

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.