Home / 126,975.74-175,454.91-91,102.86

Finding the Fourth Proportional to 126,975.74, 175,454.91 and 91,102.86

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Solution

The fourth proportional to 126,975.74, 175,454.91 and 91,102.86 is: 125,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,975.74 : 175,454.91 = 91,102.86 : x
  2. Step 2: Convert to fraction form
    126,975.74/175,454.91 = 91,102.86/x
  3. Step 3: Cross multiply
    126,975.74x = 175,454.91 × 91,102.86
  4. Step 4: Simplify right side
    126,975.74x = 15,984,444,102.04
  5. Step 5: Solve for x
    x = 15,984,444,102.04/126,975.74
  6. Step 6: Final answer
    x = 125,885.82

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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.