Home / 126,752.32-174,937.86-72,304.60

Finding the Fourth Proportional to 126,752.32, 174,937.86 and 72,304.60

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Solution

The fourth proportional to 126,752.32, 174,937.86 and 72,304.60 is: 99,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,752.32 : 174,937.86 = 72,304.60 : x
  2. Step 2: Convert to fraction form
    126,752.32/174,937.86 = 72,304.60/x
  3. Step 3: Cross multiply
    126,752.32x = 174,937.86 × 72,304.60
  4. Step 4: Simplify right side
    126,752.32x = 12,648,811,992.16
  5. Step 5: Solve for x
    x = 12,648,811,992.16/126,752.32
  6. Step 6: Final answer
    x = 99,791.56

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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.