Home / 108,200.90-149,306.30-74,238.62

Finding the Fourth Proportional to 108,200.90, 149,306.30 and 74,238.62

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Solution

The fourth proportional to 108,200.90, 149,306.30 and 74,238.62 is: 102,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,200.90 : 149,306.30 = 74,238.62 : x
  2. Step 2: Convert to fraction form
    108,200.90/149,306.30 = 74,238.62/x
  3. Step 3: Cross multiply
    108,200.90x = 149,306.30 × 74,238.62
  4. Step 4: Simplify right side
    108,200.90x = 11,084,293,669.31
  5. Step 5: Solve for x
    x = 11,084,293,669.31/108,200.90
  6. Step 6: Final answer
    x = 102,441.79

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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.