Home / 269,688.93-372,169.14-156,509.25

Finding the Fourth Proportional to 269,688.93, 372,169.14 and 156,509.25

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Solution

The fourth proportional to 269,688.93, 372,169.14 and 156,509.25 is: 215,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,688.93 : 372,169.14 = 156,509.25 : x
  2. Step 2: Convert to fraction form
    269,688.93/372,169.14 = 156,509.25/x
  3. Step 3: Cross multiply
    269,688.93x = 372,169.14 × 156,509.25
  4. Step 4: Simplify right side
    269,688.93x = 58,247,912,974.55
  5. Step 5: Solve for x
    x = 58,247,912,974.55/269,688.93
  6. Step 6: Final answer
    x = 215,981.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.