Home / 108,686.20-163,029.30-98,844.70

Finding the Fourth Proportional to 108,686.20, 163,029.30 and 98,844.70

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Solution

The fourth proportional to 108,686.20, 163,029.30 and 98,844.70 is: 148,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,686.20 : 163,029.30 = 98,844.70 : x
  2. Step 2: Convert to fraction form
    108,686.20/163,029.30 = 98,844.70/x
  3. Step 3: Cross multiply
    108,686.20x = 163,029.30 × 98,844.70
  4. Step 4: Simplify right side
    108,686.20x = 16,114,582,249.71
  5. Step 5: Solve for x
    x = 16,114,582,249.71/108,686.20
  6. Step 6: Final answer
    x = 148,267.05

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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.