Home / 156,924.78-235,254.42-68,111.52

Finding the Fourth Proportional to 156,924.78, 235,254.42 and 68,111.52

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Solution

The fourth proportional to 156,924.78, 235,254.42 and 68,111.52 is: 102,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,924.78 : 235,254.42 = 68,111.52 : x
  2. Step 2: Convert to fraction form
    156,924.78/235,254.42 = 68,111.52/x
  3. Step 3: Cross multiply
    156,924.78x = 235,254.42 × 68,111.52
  4. Step 4: Simplify right side
    156,924.78x = 16,023,536,132.92
  5. Step 5: Solve for x
    x = 16,023,536,132.92/156,924.78
  6. Step 6: Final answer
    x = 102,109.66

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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.