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Finding the Fourth Proportional to 97,863.96, 135,117.30 and 75,162.39

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Solution

The fourth proportional to 97,863.96, 135,117.30 and 75,162.39 is: 103,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,863.96 : 135,117.30 = 75,162.39 : x
  2. Step 2: Convert to fraction form
    97,863.96/135,117.30 = 75,162.39/x
  3. Step 3: Cross multiply
    97,863.96x = 135,117.30 × 75,162.39
  4. Step 4: Simplify right side
    97,863.96x = 10,155,739,198.35
  5. Step 5: Solve for x
    x = 10,155,739,198.35/97,863.96
  6. Step 6: Final answer
    x = 103,774.05

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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.