Home / 143,819.53-215,682.35-47,730.94

Finding the Fourth Proportional to 143,819.53, 215,682.35 and 47,730.94

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Solution

The fourth proportional to 143,819.53, 215,682.35 and 47,730.94 is: 71,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,819.53 : 215,682.35 = 47,730.94 : x
  2. Step 2: Convert to fraction form
    143,819.53/215,682.35 = 47,730.94/x
  3. Step 3: Cross multiply
    143,819.53x = 215,682.35 × 47,730.94
  4. Step 4: Simplify right side
    143,819.53x = 10,294,721,306.91
  5. Step 5: Solve for x
    x = 10,294,721,306.91/143,819.53
  6. Step 6: Final answer
    x = 71,580.83

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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.