Home / 115,332.48-172,998.72-45,244.80

Finding the Fourth Proportional to 115,332.48, 172,998.72 and 45,244.80

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Solution

The fourth proportional to 115,332.48, 172,998.72 and 45,244.80 is: 67,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,332.48 : 172,998.72 = 45,244.80 : x
  2. Step 2: Convert to fraction form
    115,332.48/172,998.72 = 45,244.80/x
  3. Step 3: Cross multiply
    115,332.48x = 172,998.72 × 45,244.80
  4. Step 4: Simplify right side
    115,332.48x = 7,827,292,486.66
  5. Step 5: Solve for x
    x = 7,827,292,486.66/115,332.48
  6. Step 6: Final answer
    x = 67,867.20

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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.