Home / 245,057.84-338,253.16-143,110.80

Finding the Fourth Proportional to 245,057.84, 338,253.16 and 143,110.80

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Solution

The fourth proportional to 245,057.84, 338,253.16 and 143,110.80 is: 197,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,057.84 : 338,253.16 = 143,110.80 : x
  2. Step 2: Convert to fraction form
    245,057.84/338,253.16 = 143,110.80/x
  3. Step 3: Cross multiply
    245,057.84x = 338,253.16 × 143,110.80
  4. Step 4: Simplify right side
    245,057.84x = 48,407,680,330.13
  5. Step 5: Solve for x
    x = 48,407,680,330.13/245,057.84
  6. Step 6: Final answer
    x = 197,535.73

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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.