Home / 143,311.68-215,006.40-49,824.72

Finding the Fourth Proportional to 143,311.68, 215,006.40 and 49,824.72

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Solution

The fourth proportional to 143,311.68, 215,006.40 and 49,824.72 is: 74,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,311.68 : 215,006.40 = 49,824.72 : x
  2. Step 2: Convert to fraction form
    143,311.68/215,006.40 = 49,824.72/x
  3. Step 3: Cross multiply
    143,311.68x = 215,006.40 × 49,824.72
  4. Step 4: Simplify right side
    143,311.68x = 10,712,633,678.21
  5. Step 5: Solve for x
    x = 10,712,633,678.21/143,311.68
  6. Step 6: Final answer
    x = 74,750.60

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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.