Home / 126,861.13-175,068.35-76,560.13

Finding the Fourth Proportional to 126,861.13, 175,068.35 and 76,560.13

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Solution

The fourth proportional to 126,861.13, 175,068.35 and 76,560.13 is: 105,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,861.13 : 175,068.35 = 76,560.13 : x
  2. Step 2: Convert to fraction form
    126,861.13/175,068.35 = 76,560.13/x
  3. Step 3: Cross multiply
    126,861.13x = 175,068.35 × 76,560.13
  4. Step 4: Simplify right side
    126,861.13x = 13,403,255,634.89
  5. Step 5: Solve for x
    x = 13,403,255,634.89/126,861.13
  6. Step 6: Final answer
    x = 105,652.97

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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.