Home / 224,211.81-309,237.35-143,646.89

Finding the Fourth Proportional to 224,211.81, 309,237.35 and 143,646.89

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Solution

The fourth proportional to 224,211.81, 309,237.35 and 143,646.89 is: 198,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,211.81 : 309,237.35 = 143,646.89 : x
  2. Step 2: Convert to fraction form
    224,211.81/309,237.35 = 143,646.89/x
  3. Step 3: Cross multiply
    224,211.81x = 309,237.35 × 143,646.89
  4. Step 4: Simplify right side
    224,211.81x = 44,420,981,334.92
  5. Step 5: Solve for x
    x = 44,420,981,334.92/224,211.81
  6. Step 6: Final answer
    x = 198,120.61

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1.5x scale

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.