Home / 113,820.20-170,730.30-60,676.10

Finding the Fourth Proportional to 113,820.20, 170,730.30 and 60,676.10

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Solution

The fourth proportional to 113,820.20, 170,730.30 and 60,676.10 is: 91,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.20 : 170,730.30 = 60,676.10 : x
  2. Step 2: Convert to fraction form
    113,820.20/170,730.30 = 60,676.10/x
  3. Step 3: Cross multiply
    113,820.20x = 170,730.30 × 60,676.10
  4. Step 4: Simplify right side
    113,820.20x = 10,359,248,755.83
  5. Step 5: Solve for x
    x = 10,359,248,755.83/113,820.20
  6. Step 6: Final answer
    x = 91,014.15

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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.