Home / 156,390.19-234,959.18-100,340.39

Finding the Fourth Proportional to 156,390.19, 234,959.18 and 100,340.39

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Solution

The fourth proportional to 156,390.19, 234,959.18 and 100,340.39 is: 150,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,390.19 : 234,959.18 = 100,340.39 : x
  2. Step 2: Convert to fraction form
    156,390.19/234,959.18 = 100,340.39/x
  3. Step 3: Cross multiply
    156,390.19x = 234,959.18 × 100,340.39
  4. Step 4: Simplify right side
    156,390.19x = 23,575,895,755.28
  5. Step 5: Solve for x
    x = 23,575,895,755.28/156,390.19
  6. Step 6: Final answer
    x = 150,750.48

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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.