Home / 108,349.10-162,523.65-90,853.10

Finding the Fourth Proportional to 108,349.10, 162,523.65 and 90,853.10

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Solution

The fourth proportional to 108,349.10, 162,523.65 and 90,853.10 is: 136,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,349.10 : 162,523.65 = 90,853.10 : x
  2. Step 2: Convert to fraction form
    108,349.10/162,523.65 = 90,853.10/x
  3. Step 3: Cross multiply
    108,349.10x = 162,523.65 × 90,853.10
  4. Step 4: Simplify right side
    108,349.10x = 14,765,777,425.82
  5. Step 5: Solve for x
    x = 14,765,777,425.82/108,349.10
  6. Step 6: Final answer
    x = 136,279.65

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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.