Home / 151,031.87-208,372.11-93,650.54

Finding the Fourth Proportional to 151,031.87, 208,372.11 and 93,650.54

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Solution

The fourth proportional to 151,031.87, 208,372.11 and 93,650.54 is: 129,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.87 : 208,372.11 = 93,650.54 : x
  2. Step 2: Convert to fraction form
    151,031.87/208,372.11 = 93,650.54/x
  3. Step 3: Cross multiply
    151,031.87x = 208,372.11 × 93,650.54
  4. Step 4: Simplify right side
    151,031.87x = 19,514,159,756.17
  5. Step 5: Solve for x
    x = 19,514,159,756.17/151,031.87
  6. Step 6: Final answer
    x = 129,205.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.