Home / 125,207.30-172,780.32-68,617.46

Finding the Fourth Proportional to 125,207.30, 172,780.32 and 68,617.46

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Solution

The fourth proportional to 125,207.30, 172,780.32 and 68,617.46 is: 94,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,207.30 : 172,780.32 = 68,617.46 : x
  2. Step 2: Convert to fraction form
    125,207.30/172,780.32 = 68,617.46/x
  3. Step 3: Cross multiply
    125,207.30x = 172,780.32 × 68,617.46
  4. Step 4: Simplify right side
    125,207.30x = 11,855,746,696.39
  5. Step 5: Solve for x
    x = 11,855,746,696.39/125,207.30
  6. Step 6: Final answer
    x = 94,688.94

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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.