Home / 147,962.88-204,189.12-80,899.20

Finding the Fourth Proportional to 147,962.88, 204,189.12 and 80,899.20

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Solution

The fourth proportional to 147,962.88, 204,189.12 and 80,899.20 is: 111,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,962.88 : 204,189.12 = 80,899.20 : x
  2. Step 2: Convert to fraction form
    147,962.88/204,189.12 = 80,899.20/x
  3. Step 3: Cross multiply
    147,962.88x = 204,189.12 × 80,899.20
  4. Step 4: Simplify right side
    147,962.88x = 16,518,736,456.70
  5. Step 5: Solve for x
    x = 16,518,736,456.70/147,962.88
  6. Step 6: Final answer
    x = 111,641.08

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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.