Home / 156,385.50-234,621.45-45,577.50

Finding the Fourth Proportional to 156,385.50, 234,621.45 and 45,577.50

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Solution

The fourth proportional to 156,385.50, 234,621.45 and 45,577.50 is: 68,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,385.50 : 234,621.45 = 45,577.50 : x
  2. Step 2: Convert to fraction form
    156,385.50/234,621.45 = 45,577.50/x
  3. Step 3: Cross multiply
    156,385.50x = 234,621.45 × 45,577.50
  4. Step 4: Simplify right side
    156,385.50x = 10,693,459,137.38
  5. Step 5: Solve for x
    x = 10,693,459,137.38/156,385.50
  6. Step 6: Final answer
    x = 68,378.84

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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.