Home / 115,282.60-172,909.32-36,404.80

Finding the Fourth Proportional to 115,282.60, 172,909.32 and 36,404.80

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Solution

The fourth proportional to 115,282.60, 172,909.32 and 36,404.80 is: 54,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,282.60 : 172,909.32 = 36,404.80 : x
  2. Step 2: Convert to fraction form
    115,282.60/172,909.32 = 36,404.80/x
  3. Step 3: Cross multiply
    115,282.60x = 172,909.32 × 36,404.80
  4. Step 4: Simplify right side
    115,282.60x = 6,294,729,212.74
  5. Step 5: Solve for x
    x = 6,294,729,212.74/115,282.60
  6. Step 6: Final answer
    x = 54,602.60

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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.