Home / 154,180.96-231,243.13-69,920.86

Finding the Fourth Proportional to 154,180.96, 231,243.13 and 69,920.86

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Solution

The fourth proportional to 154,180.96, 231,243.13 and 69,920.86 is: 104,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,180.96 : 231,243.13 = 69,920.86 : x
  2. Step 2: Convert to fraction form
    154,180.96/231,243.13 = 69,920.86/x
  3. Step 3: Cross multiply
    154,180.96x = 231,243.13 × 69,920.86
  4. Step 4: Simplify right side
    154,180.96x = 16,168,718,518.69
  5. Step 5: Solve for x
    x = 16,168,718,518.69/154,180.96
  6. Step 6: Final answer
    x = 104,868.45

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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.