Home / 108,387.26-149,524.28-70,159.11

Finding the Fourth Proportional to 108,387.26, 149,524.28 and 70,159.11

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Solution

The fourth proportional to 108,387.26, 149,524.28 and 70,159.11 is: 96,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,387.26 : 149,524.28 = 70,159.11 : x
  2. Step 2: Convert to fraction form
    108,387.26/149,524.28 = 70,159.11/x
  3. Step 3: Cross multiply
    108,387.26x = 149,524.28 × 70,159.11
  4. Step 4: Simplify right side
    108,387.26x = 10,490,490,600.85
  5. Step 5: Solve for x
    x = 10,490,490,600.85/108,387.26
  6. Step 6: Final answer
    x = 96,787.11

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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.