Home / 156,843.42-235,132.87-68,030.05

Finding the Fourth Proportional to 156,843.42, 235,132.87 and 68,030.05

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Solution

The fourth proportional to 156,843.42, 235,132.87 and 68,030.05 is: 101,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843.42 : 235,132.87 = 68,030.05 : x
  2. Step 2: Convert to fraction form
    156,843.42/235,132.87 = 68,030.05/x
  3. Step 3: Cross multiply
    156,843.42x = 235,132.87 × 68,030.05
  4. Step 4: Simplify right side
    156,843.42x = 15,996,100,902.74
  5. Step 5: Solve for x
    x = 15,996,100,902.74/156,843.42
  6. Step 6: Final answer
    x = 101,987.71

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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.