Home / 143,589.42-215,368.92-38,419.02

Finding the Fourth Proportional to 143,589.42, 215,368.92 and 38,419.02

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Solution

The fourth proportional to 143,589.42, 215,368.92 and 38,419.02 is: 57,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,589.42 : 215,368.92 = 38,419.02 : x
  2. Step 2: Convert to fraction form
    143,589.42/215,368.92 = 38,419.02/x
  3. Step 3: Cross multiply
    143,589.42x = 215,368.92 × 38,419.02
  4. Step 4: Simplify right side
    143,589.42x = 8,274,262,844.86
  5. Step 5: Solve for x
    x = 8,274,262,844.86/143,589.42
  6. Step 6: Final answer
    x = 57,624.46

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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.