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Finding the Fourth Proportional to 113,329.60, 169,994.40 and 100,207.60

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Solution

The fourth proportional to 113,329.60, 169,994.40 and 100,207.60 is: 150,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,329.60 : 169,994.40 = 100,207.60 : x
  2. Step 2: Convert to fraction form
    113,329.60/169,994.40 = 100,207.60/x
  3. Step 3: Cross multiply
    113,329.60x = 169,994.40 × 100,207.60
  4. Step 4: Simplify right side
    113,329.60x = 17,034,730,837.44
  5. Step 5: Solve for x
    x = 17,034,730,837.44/113,329.60
  6. Step 6: Final answer
    x = 150,311.40

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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.