Home / 78,150.26-117,213.11-24,835.21

Finding the Fourth Proportional to 78,150.26, 117,213.11 and 24,835.21

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Solution

The fourth proportional to 78,150.26, 117,213.11 and 24,835.21 is: 37,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,150.26 : 117,213.11 = 24,835.21 : x
  2. Step 2: Convert to fraction form
    78,150.26/117,213.11 = 24,835.21/x
  3. Step 3: Cross multiply
    78,150.26x = 117,213.11 × 24,835.21
  4. Step 4: Simplify right side
    78,150.26x = 2,911,011,491.36
  5. Step 5: Solve for x
    x = 2,911,011,491.36/78,150.26
  6. Step 6: Final answer
    x = 37,248.91

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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.