Home / 125,170.01-172,734.73-68,581.38

Finding the Fourth Proportional to 125,170.01, 172,734.73 and 68,581.38

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Solution

The fourth proportional to 125,170.01, 172,734.73 and 68,581.38 is: 94,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170.01 : 172,734.73 = 68,581.38 : x
  2. Step 2: Convert to fraction form
    125,170.01/172,734.73 = 68,581.38/x
  3. Step 3: Cross multiply
    125,170.01x = 172,734.73 × 68,581.38
  4. Step 4: Simplify right side
    125,170.01x = 11,846,386,633.63
  5. Step 5: Solve for x
    x = 11,846,386,633.63/125,170.01
  6. Step 6: Final answer
    x = 94,642.37

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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.