Home / 220,164.95-303,920.66-148,641.86

Finding the Fourth Proportional to 220,164.95, 303,920.66 and 148,641.86

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Solution

The fourth proportional to 220,164.95, 303,920.66 and 148,641.86 is: 205,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,164.95 : 303,920.66 = 148,641.86 : x
  2. Step 2: Convert to fraction form
    220,164.95/303,920.66 = 148,641.86/x
  3. Step 3: Cross multiply
    220,164.95x = 303,920.66 × 148,641.86
  4. Step 4: Simplify right side
    220,164.95x = 45,175,331,451.62
  5. Step 5: Solve for x
    x = 45,175,331,451.62/220,164.95
  6. Step 6: Final answer
    x = 205,188.57

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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.