Home / 143,333.80-215,000.70-36,717.55

Finding the Fourth Proportional to 143,333.80, 215,000.70 and 36,717.55

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Solution

The fourth proportional to 143,333.80, 215,000.70 and 36,717.55 is: 55,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,333.80 : 215,000.70 = 36,717.55 : x
  2. Step 2: Convert to fraction form
    143,333.80/215,000.70 = 36,717.55/x
  3. Step 3: Cross multiply
    143,333.80x = 215,000.70 × 36,717.55
  4. Step 4: Simplify right side
    143,333.80x = 7,894,298,952.29
  5. Step 5: Solve for x
    x = 7,894,298,952.29/143,333.80
  6. Step 6: Final answer
    x = 55,076.33

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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.