Home / 126,876.93-190,254.61-42,613.70

Finding the Fourth Proportional to 126,876.93, 190,254.61 and 42,613.70

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Solution

The fourth proportional to 126,876.93, 190,254.61 and 42,613.70 is: 63,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.93 : 190,254.61 = 42,613.70 : x
  2. Step 2: Convert to fraction form
    126,876.93/190,254.61 = 42,613.70/x
  3. Step 3: Cross multiply
    126,876.93x = 190,254.61 × 42,613.70
  4. Step 4: Simplify right side
    126,876.93x = 8,107,451,736.45
  5. Step 5: Solve for x
    x = 8,107,451,736.45/126,876.93
  6. Step 6: Final answer
    x = 63,900.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.