Home / 115,148.24-172,648.17-48,570.56

Finding the Fourth Proportional to 115,148.24, 172,648.17 and 48,570.56

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Solution

The fourth proportional to 115,148.24, 172,648.17 and 48,570.56 is: 72,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,148.24 : 172,648.17 = 48,570.56 : x
  2. Step 2: Convert to fraction form
    115,148.24/172,648.17 = 48,570.56/x
  3. Step 3: Cross multiply
    115,148.24x = 172,648.17 × 48,570.56
  4. Step 4: Simplify right side
    115,148.24x = 8,385,617,436.63
  5. Step 5: Solve for x
    x = 8,385,617,436.63/115,148.24
  6. Step 6: Final answer
    x = 72,824.54

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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.