Home / 108,342.26-162,119.46-89,446.58

Finding the Fourth Proportional to 108,342.26, 162,119.46 and 89,446.58

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Solution

The fourth proportional to 108,342.26, 162,119.46 and 89,446.58 is: 133,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,342.26 : 162,119.46 = 89,446.58 : x
  2. Step 2: Convert to fraction form
    108,342.26/162,119.46 = 89,446.58/x
  3. Step 3: Cross multiply
    108,342.26x = 162,119.46 × 89,446.58
  4. Step 4: Simplify right side
    108,342.26x = 14,501,031,248.45
  5. Step 5: Solve for x
    x = 14,501,031,248.45/108,342.26
  6. Step 6: Final answer
    x = 133,844.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.