Home / 125,010.74-172,514.76-68,422.10

Finding the Fourth Proportional to 125,010.74, 172,514.76 and 68,422.10

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Solution

The fourth proportional to 125,010.74, 172,514.76 and 68,422.10 is: 94,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,010.74 : 172,514.76 = 68,422.10 : x
  2. Step 2: Convert to fraction form
    125,010.74/172,514.76 = 68,422.10/x
  3. Step 3: Cross multiply
    125,010.74x = 172,514.76 × 68,422.10
  4. Step 4: Simplify right side
    125,010.74x = 11,803,822,160.20
  5. Step 5: Solve for x
    x = 11,803,822,160.20/125,010.74
  6. Step 6: Final answer
    x = 94,422.46

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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.