Home / 143,921.64-198,927.18-126,795

Finding the Fourth Proportional to 143,921.64, 198,927.18 and 126,795

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Solution

The fourth proportional to 143,921.64, 198,927.18 and 126,795 is: 175,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,921.64 : 198,927.18 = 126,795 : x
  2. Step 2: Convert to fraction form
    143,921.64/198,927.18 = 126,795/x
  3. Step 3: Cross multiply
    143,921.64x = 198,927.18 × 126,795
  4. Step 4: Simplify right side
    143,921.64x = 25,222,971,788.10
  5. Step 5: Solve for x
    x = 25,222,971,788.10/143,921.64
  6. Step 6: Final answer
    x = 175,254.89

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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.