Home / 156,630.90-234,946.35-45,822.90

Finding the Fourth Proportional to 156,630.90, 234,946.35 and 45,822.90

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Solution

The fourth proportional to 156,630.90, 234,946.35 and 45,822.90 is: 68,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.90 : 234,946.35 = 45,822.90 : x
  2. Step 2: Convert to fraction form
    156,630.90/234,946.35 = 45,822.90/x
  3. Step 3: Cross multiply
    156,630.90x = 234,946.35 × 45,822.90
  4. Step 4: Simplify right side
    156,630.90x = 10,765,923,101.42
  5. Step 5: Solve for x
    x = 10,765,923,101.42/156,630.90
  6. Step 6: Final answer
    x = 68,734.35

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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.