Home / 154,683.72-231,987.76-49,480.92

Finding the Fourth Proportional to 154,683.72, 231,987.76 and 49,480.92

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Solution

The fourth proportional to 154,683.72, 231,987.76 and 49,480.92 is: 74,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,683.72 : 231,987.76 = 49,480.92 : x
  2. Step 2: Convert to fraction form
    154,683.72/231,987.76 = 49,480.92/x
  3. Step 3: Cross multiply
    154,683.72x = 231,987.76 × 49,480.92
  4. Step 4: Simplify right side
    154,683.72x = 11,478,967,793.54
  5. Step 5: Solve for x
    x = 11,478,967,793.54/154,683.72
  6. Step 6: Final answer
    x = 74,209.28

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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.