Home / 252,641.76-348,633.38-143,735.84

Finding the Fourth Proportional to 252,641.76, 348,633.38 and 143,735.84

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Solution

The fourth proportional to 252,641.76, 348,633.38 and 143,735.84 is: 198,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,641.76 : 348,633.38 = 143,735.84 : x
  2. Step 2: Convert to fraction form
    252,641.76/348,633.38 = 143,735.84/x
  3. Step 3: Cross multiply
    252,641.76x = 348,633.38 × 143,735.84
  4. Step 4: Simplify right side
    252,641.76x = 50,111,111,726.34
  5. Step 5: Solve for x
    x = 50,111,111,726.34/252,641.76
  6. Step 6: Final answer
    x = 198,348.49

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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.