Home / 121,626.30-182,002.05-82,260.30

Finding the Fourth Proportional to 121,626.30, 182,002.05 and 82,260.30

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Solution

The fourth proportional to 121,626.30, 182,002.05 and 82,260.30 is: 123,094.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,626.30 : 182,002.05 = 82,260.30 : x
  2. Step 2: Convert to fraction form
    121,626.30/182,002.05 = 82,260.30/x
  3. Step 3: Cross multiply
    121,626.30x = 182,002.05 × 82,260.30
  4. Step 4: Simplify right side
    121,626.30x = 14,971,543,233.62
  5. Step 5: Solve for x
    x = 14,971,543,233.62/121,626.30
  6. Step 6: Final answer
    x = 123,094.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.