Home / 115,332.90-172,998.30-36,447.12

Finding the Fourth Proportional to 115,332.90, 172,998.30 and 36,447.12

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Solution

The fourth proportional to 115,332.90, 172,998.30 and 36,447.12 is: 54,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,332.90 : 172,998.30 = 36,447.12 : x
  2. Step 2: Convert to fraction form
    115,332.90/172,998.30 = 36,447.12/x
  3. Step 3: Cross multiply
    115,332.90x = 172,998.30 × 36,447.12
  4. Step 4: Simplify right side
    115,332.90x = 6,305,289,799.90
  5. Step 5: Solve for x
    x = 6,305,289,799.90/115,332.90
  6. Step 6: Final answer
    x = 54,670.35

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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.