Home / 147,030.60-220,610.70-68,104.20

Finding the Fourth Proportional to 147,030.60, 220,610.70 and 68,104.20

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Solution

The fourth proportional to 147,030.60, 220,610.70 and 68,104.20 is: 102,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,030.60 : 220,610.70 = 68,104.20 : x
  2. Step 2: Convert to fraction form
    147,030.60/220,610.70 = 68,104.20/x
  3. Step 3: Cross multiply
    147,030.60x = 220,610.70 × 68,104.20
  4. Step 4: Simplify right side
    147,030.60x = 15,024,515,234.94
  5. Step 5: Solve for x
    x = 15,024,515,234.94/147,030.60
  6. Step 6: Final answer
    x = 102,186.32

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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.