Home / 156,031.60-234,085.20-45,223.60

Finding the Fourth Proportional to 156,031.60, 234,085.20 and 45,223.60

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Solution

The fourth proportional to 156,031.60, 234,085.20 and 45,223.60 is: 67,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,031.60 : 234,085.20 = 45,223.60 : x
  2. Step 2: Convert to fraction form
    156,031.60/234,085.20 = 45,223.60/x
  3. Step 3: Cross multiply
    156,031.60x = 234,085.20 × 45,223.60
  4. Step 4: Simplify right side
    156,031.60x = 10,586,175,450.72
  5. Step 5: Solve for x
    x = 10,586,175,450.72/156,031.60
  6. Step 6: Final answer
    x = 67,846.36

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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.