Home / 126,253.26-174,245.04-72,538.20

Finding the Fourth Proportional to 126,253.26, 174,245.04 and 72,538.20

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Solution

The fourth proportional to 126,253.26, 174,245.04 and 72,538.20 is: 100,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253.26 : 174,245.04 = 72,538.20 : x
  2. Step 2: Convert to fraction form
    126,253.26/174,245.04 = 72,538.20/x
  3. Step 3: Cross multiply
    126,253.26x = 174,245.04 × 72,538.20
  4. Step 4: Simplify right side
    126,253.26x = 12,639,421,560.53
  5. Step 5: Solve for x
    x = 12,639,421,560.53/126,253.26
  6. Step 6: Final answer
    x = 100,111.65

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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.