Home / 179,078.28-247,122.84-98,505.80

Finding the Fourth Proportional to 179,078.28, 247,122.84 and 98,505.80

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Solution

The fourth proportional to 179,078.28, 247,122.84 and 98,505.80 is: 135,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,078.28 : 247,122.84 = 98,505.80 : x
  2. Step 2: Convert to fraction form
    179,078.28/247,122.84 = 98,505.80/x
  3. Step 3: Cross multiply
    179,078.28x = 247,122.84 × 98,505.80
  4. Step 4: Simplify right side
    179,078.28x = 24,343,033,052.47
  5. Step 5: Solve for x
    x = 24,343,033,052.47/179,078.28
  6. Step 6: Final answer
    x = 135,935.15

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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.