Home / 126,977.33-175,230.69-69,621.88

Finding the Fourth Proportional to 126,977.33, 175,230.69 and 69,621.88

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Solution

The fourth proportional to 126,977.33, 175,230.69 and 69,621.88 is: 96,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,977.33 : 175,230.69 = 69,621.88 : x
  2. Step 2: Convert to fraction form
    126,977.33/175,230.69 = 69,621.88/x
  3. Step 3: Cross multiply
    126,977.33x = 175,230.69 × 69,621.88
  4. Step 4: Simplify right side
    126,977.33x = 12,199,890,071.50
  5. Step 5: Solve for x
    x = 12,199,890,071.50/126,977.33
  6. Step 6: Final answer
    x = 96,079.28

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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.