Home / 108,329.62-149,532.45-74,450.25

Finding the Fourth Proportional to 108,329.62, 149,532.45 and 74,450.25

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Solution

The fourth proportional to 108,329.62, 149,532.45 and 74,450.25 is: 102,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,329.62 : 149,532.45 = 74,450.25 : x
  2. Step 2: Convert to fraction form
    108,329.62/149,532.45 = 74,450.25/x
  3. Step 3: Cross multiply
    108,329.62x = 149,532.45 × 74,450.25
  4. Step 4: Simplify right side
    108,329.62x = 11,132,728,285.61
  5. Step 5: Solve for x
    x = 11,132,728,285.61/108,329.62
  6. Step 6: Final answer
    x = 102,767.17

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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.