Home / 143,352.27-215,031.36-52,164.54

Finding the Fourth Proportional to 143,352.27, 215,031.36 and 52,164.54

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Solution

The fourth proportional to 143,352.27, 215,031.36 and 52,164.54 is: 78,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,352.27 : 215,031.36 = 52,164.54 : x
  2. Step 2: Convert to fraction form
    143,352.27/215,031.36 = 52,164.54/x
  3. Step 3: Cross multiply
    143,352.27x = 215,031.36 × 52,164.54
  4. Step 4: Simplify right side
    143,352.27x = 11,217,012,582.76
  5. Step 5: Solve for x
    x = 11,217,012,582.76/143,352.27
  6. Step 6: Final answer
    x = 78,247.89

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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.