Home / 142,967.12-214,452.30-49,451

Finding the Fourth Proportional to 142,967.12, 214,452.30 and 49,451

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Solution

The fourth proportional to 142,967.12, 214,452.30 and 49,451 is: 74,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,967.12 : 214,452.30 = 49,451 : x
  2. Step 2: Convert to fraction form
    142,967.12/214,452.30 = 49,451/x
  3. Step 3: Cross multiply
    142,967.12x = 214,452.30 × 49,451
  4. Step 4: Simplify right side
    142,967.12x = 10,604,880,687.30
  5. Step 5: Solve for x
    x = 10,604,880,687.30/142,967.12
  6. Step 6: Final answer
    x = 74,177.06

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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.