Home / 108,919.04-163,442.50-45,734.30

Finding the Fourth Proportional to 108,919.04, 163,442.50 and 45,734.30

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Solution

The fourth proportional to 108,919.04, 163,442.50 and 45,734.30 is: 68,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,919.04 : 163,442.50 = 45,734.30 : x
  2. Step 2: Convert to fraction form
    108,919.04/163,442.50 = 45,734.30/x
  3. Step 3: Cross multiply
    108,919.04x = 163,442.50 × 45,734.30
  4. Step 4: Simplify right side
    108,919.04x = 7,474,928,009.11
  5. Step 5: Solve for x
    x = 7,474,928,009.11/108,919.04
  6. Step 6: Final answer
    x = 68,628.30

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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.