Home / 143,717.10-215,559.21-38,527.86

Finding the Fourth Proportional to 143,717.10, 215,559.21 and 38,527.86

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Solution

The fourth proportional to 143,717.10, 215,559.21 and 38,527.86 is: 57,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717.10 : 215,559.21 = 38,527.86 : x
  2. Step 2: Convert to fraction form
    143,717.10/215,559.21 = 38,527.86/x
  3. Step 3: Cross multiply
    143,717.10x = 215,559.21 × 38,527.86
  4. Step 4: Simplify right side
    143,717.10x = 8,305,035,064.59
  5. Step 5: Solve for x
    x = 8,305,035,064.59/143,717.10
  6. Step 6: Final answer
    x = 57,787.38

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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.