Home / 156,031.75-234,086.51-45,223.75

Finding the Fourth Proportional to 156,031.75, 234,086.51 and 45,223.75

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Solution

The fourth proportional to 156,031.75, 234,086.51 and 45,223.75 is: 67,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031.75 : 234,086.51 = 45,223.75 : x
  2. Step 2: Convert to fraction form
    156,031.75/234,086.51 = 45,223.75/x
  3. Step 3: Cross multiply
    156,031.75x = 234,086.51 × 45,223.75
  4. Step 4: Simplify right side
    156,031.75x = 10,586,269,806.61
  5. Step 5: Solve for x
    x = 10,586,269,806.61/156,031.75
  6. Step 6: Final answer
    x = 67,846.90

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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.