Home / 115,278.60-172,903.32-36,400.80

Finding the Fourth Proportional to 115,278.60, 172,903.32 and 36,400.80

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Solution

The fourth proportional to 115,278.60, 172,903.32 and 36,400.80 is: 54,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,278.60 : 172,903.32 = 36,400.80 : x
  2. Step 2: Convert to fraction form
    115,278.60/172,903.32 = 36,400.80/x
  3. Step 3: Cross multiply
    115,278.60x = 172,903.32 × 36,400.80
  4. Step 4: Simplify right side
    115,278.60x = 6,293,819,170.66
  5. Step 5: Solve for x
    x = 6,293,819,170.66/115,278.60
  6. Step 6: Final answer
    x = 54,596.60

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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.