Home / 147,029.10-220,608.45-68,102.70

Finding the Fourth Proportional to 147,029.10, 220,608.45 and 68,102.70

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Solution

The fourth proportional to 147,029.10, 220,608.45 and 68,102.70 is: 102,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,029.10 : 220,608.45 = 68,102.70 : x
  2. Step 2: Convert to fraction form
    147,029.10/220,608.45 = 68,102.70/x
  3. Step 3: Cross multiply
    147,029.10x = 220,608.45 × 68,102.70
  4. Step 4: Simplify right side
    147,029.10x = 15,024,031,087.82
  5. Step 5: Solve for x
    x = 15,024,031,087.82/147,029.10
  6. Step 6: Final answer
    x = 102,184.06

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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.