Home / 156,842.29-235,131.13-68,028.89

Finding the Fourth Proportional to 156,842.29, 235,131.13 and 68,028.89

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Solution

The fourth proportional to 156,842.29, 235,131.13 and 68,028.89 is: 101,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,842.29 : 235,131.13 = 68,028.89 : x
  2. Step 2: Convert to fraction form
    156,842.29/235,131.13 = 68,028.89/x
  3. Step 3: Cross multiply
    156,842.29x = 235,131.13 × 68,028.89
  4. Step 4: Simplify right side
    156,842.29x = 15,995,709,778.35
  5. Step 5: Solve for x
    x = 15,995,709,778.35/156,842.29
  6. Step 6: Final answer
    x = 101,985.95

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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.