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Finding the Fourth Proportional to 115,159.60, 172,756.68 and 36,265.60

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Solution

The fourth proportional to 115,159.60, 172,756.68 and 36,265.60 is: 54,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,159.60 : 172,756.68 = 36,265.60 : x
  2. Step 2: Convert to fraction form
    115,159.60/172,756.68 = 36,265.60/x
  3. Step 3: Cross multiply
    115,159.60x = 172,756.68 × 36,265.60
  4. Step 4: Simplify right side
    115,159.60x = 6,265,124,654.21
  5. Step 5: Solve for x
    x = 6,265,124,654.21/115,159.60
  6. Step 6: Final answer
    x = 54,403.84

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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.