Home / 126,279.52-174,266.72-68,919.28

Finding the Fourth Proportional to 126,279.52, 174,266.72 and 68,919.28

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Solution

The fourth proportional to 126,279.52, 174,266.72 and 68,919.28 is: 95,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,279.52 : 174,266.72 = 68,919.28 : x
  2. Step 2: Convert to fraction form
    126,279.52/174,266.72 = 68,919.28/x
  3. Step 3: Cross multiply
    126,279.52x = 174,266.72 × 68,919.28
  4. Step 4: Simplify right side
    126,279.52x = 12,010,336,870.36
  5. Step 5: Solve for x
    x = 12,010,336,870.36/126,279.52
  6. Step 6: Final answer
    x = 95,109.14

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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.