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Finding the Fourth Proportional to 100,569.60, 150,465.60 and 65,577.60

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Solution

The fourth proportional to 100,569.60, 150,465.60 and 65,577.60 is: 98,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,569.60 : 150,465.60 = 65,577.60 : x
  2. Step 2: Convert to fraction form
    100,569.60/150,465.60 = 65,577.60/x
  3. Step 3: Cross multiply
    100,569.60x = 150,465.60 × 65,577.60
  4. Step 4: Simplify right side
    100,569.60x = 9,867,172,930.56
  5. Step 5: Solve for x
    x = 9,867,172,930.56/100,569.60
  6. Step 6: Final answer
    x = 98,112.88

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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.