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Finding the Fourth Proportional to 112,853.34, 169,266.17 and 65,494.20

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Solution

The fourth proportional to 112,853.34, 169,266.17 and 65,494.20 is: 98,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,853.34 : 169,266.17 = 65,494.20 : x
  2. Step 2: Convert to fraction form
    112,853.34/169,266.17 = 65,494.20/x
  3. Step 3: Cross multiply
    112,853.34x = 169,266.17 × 65,494.20
  4. Step 4: Simplify right side
    112,853.34x = 11,085,951,485.21
  5. Step 5: Solve for x
    x = 11,085,951,485.21/112,853.34
  6. Step 6: Final answer
    x = 98,233.26

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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.