Home / 243,764.84-336,427.19-136,357.14

Finding the Fourth Proportional to 243,764.84, 336,427.19 and 136,357.14

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Solution

The fourth proportional to 243,764.84, 336,427.19 and 136,357.14 is: 188,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,764.84 : 336,427.19 = 136,357.14 : x
  2. Step 2: Convert to fraction form
    243,764.84/336,427.19 = 136,357.14/x
  3. Step 3: Cross multiply
    243,764.84x = 336,427.19 × 136,357.14
  4. Step 4: Simplify right side
    243,764.84x = 45,874,248,764.85
  5. Step 5: Solve for x
    x = 45,874,248,764.85/243,764.84
  6. Step 6: Final answer
    x = 188,190.59

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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.