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Finding the Fourth Proportional to 145,165.44, 200,350.32 and 88,609.68

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Solution

The fourth proportional to 145,165.44, 200,350.32 and 88,609.68 is: 122,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165.44 : 200,350.32 = 88,609.68 : x
  2. Step 2: Convert to fraction form
    145,165.44/200,350.32 = 88,609.68/x
  3. Step 3: Cross multiply
    145,165.44x = 200,350.32 × 88,609.68
  4. Step 4: Simplify right side
    145,165.44x = 17,752,977,743.10
  5. Step 5: Solve for x
    x = 17,752,977,743.10/145,165.44
  6. Step 6: Final answer
    x = 122,294.80

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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.