Home / 149,082.40-223,623.60-82,727.20

Finding the Fourth Proportional to 149,082.40, 223,623.60 and 82,727.20

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Solution

The fourth proportional to 149,082.40, 223,623.60 and 82,727.20 is: 124,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,082.40 : 223,623.60 = 82,727.20 : x
  2. Step 2: Convert to fraction form
    149,082.40/223,623.60 = 82,727.20/x
  3. Step 3: Cross multiply
    149,082.40x = 223,623.60 × 82,727.20
  4. Step 4: Simplify right side
    149,082.40x = 18,499,754,281.92
  5. Step 5: Solve for x
    x = 18,499,754,281.92/149,082.40
  6. Step 6: Final answer
    x = 124,090.80

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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.