Home / 115,125.89-172,707.30-48,575.82

Finding the Fourth Proportional to 115,125.89, 172,707.30 and 48,575.82

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Solution

The fourth proportional to 115,125.89, 172,707.30 and 48,575.82 is: 72,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,125.89 : 172,707.30 = 48,575.82 : x
  2. Step 2: Convert to fraction form
    115,125.89/172,707.30 = 48,575.82/x
  3. Step 3: Cross multiply
    115,125.89x = 172,707.30 × 48,575.82
  4. Step 4: Simplify right side
    115,125.89x = 8,389,398,717.49
  5. Step 5: Solve for x
    x = 8,389,398,717.49/115,125.89
  6. Step 6: Final answer
    x = 72,871.52

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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.