Home / 108,972.12-150,337.98-68,675.16

Finding the Fourth Proportional to 108,972.12, 150,337.98 and 68,675.16

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Solution

The fourth proportional to 108,972.12, 150,337.98 and 68,675.16 is: 94,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,972.12 : 150,337.98 = 68,675.16 : x
  2. Step 2: Convert to fraction form
    108,972.12/150,337.98 = 68,675.16/x
  3. Step 3: Cross multiply
    108,972.12x = 150,337.98 × 68,675.16
  4. Step 4: Simplify right side
    108,972.12x = 10,324,484,830.58
  5. Step 5: Solve for x
    x = 10,324,484,830.58/108,972.12
  6. Step 6: Final answer
    x = 94,744.28

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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.