Home / 143,932.80-215,905.68-44,085.72

Finding the Fourth Proportional to 143,932.80, 215,905.68 and 44,085.72

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Solution

The fourth proportional to 143,932.80, 215,905.68 and 44,085.72 is: 66,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932.80 : 215,905.68 = 44,085.72 : x
  2. Step 2: Convert to fraction form
    143,932.80/215,905.68 = 44,085.72/x
  3. Step 3: Cross multiply
    143,932.80x = 215,905.68 × 44,085.72
  4. Step 4: Simplify right side
    143,932.80x = 9,518,357,354.89
  5. Step 5: Solve for x
    x = 9,518,357,354.89/143,932.80
  6. Step 6: Final answer
    x = 66,130.56

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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.