Home / 243,028.80-335,244.96-142,407.36

Finding the Fourth Proportional to 243,028.80, 335,244.96 and 142,407.36

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Solution

The fourth proportional to 243,028.80, 335,244.96 and 142,407.36 is: 196,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,028.80 : 335,244.96 = 142,407.36 : x
  2. Step 2: Convert to fraction form
    243,028.80/335,244.96 = 142,407.36/x
  3. Step 3: Cross multiply
    243,028.80x = 335,244.96 × 142,407.36
  4. Step 4: Simplify right side
    243,028.80x = 47,741,349,706.91
  5. Step 5: Solve for x
    x = 47,741,349,706.91/243,028.80
  6. Step 6: Final answer
    x = 196,443.18

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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.