Home / 108,267.38-149,439.17-74,281.40

Finding the Fourth Proportional to 108,267.38, 149,439.17 and 74,281.40

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Solution

The fourth proportional to 108,267.38, 149,439.17 and 74,281.40 is: 102,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,267.38 : 149,439.17 = 74,281.40 : x
  2. Step 2: Convert to fraction form
    108,267.38/149,439.17 = 74,281.40/x
  3. Step 3: Cross multiply
    108,267.38x = 149,439.17 × 74,281.40
  4. Step 4: Simplify right side
    108,267.38x = 11,100,550,762.44
  5. Step 5: Solve for x
    x = 11,100,550,762.44/108,267.38
  6. Step 6: Final answer
    x = 102,529.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.