Home / 143,217.18-214,826.04-49,723.20

Finding the Fourth Proportional to 143,217.18, 214,826.04 and 49,723.20

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Solution

The fourth proportional to 143,217.18, 214,826.04 and 49,723.20 is: 74,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,217.18 : 214,826.04 = 49,723.20 : x
  2. Step 2: Convert to fraction form
    143,217.18/214,826.04 = 49,723.20/x
  3. Step 3: Cross multiply
    143,217.18x = 214,826.04 × 49,723.20
  4. Step 4: Simplify right side
    143,217.18x = 10,681,838,152.13
  5. Step 5: Solve for x
    x = 10,681,838,152.13/143,217.18
  6. Step 6: Final answer
    x = 74,584.89

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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.