Home / 243,064.92-335,440.28-135,635.36

Finding the Fourth Proportional to 243,064.92, 335,440.28 and 135,635.36

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Solution

The fourth proportional to 243,064.92, 335,440.28 and 135,635.36 is: 187,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,064.92 : 335,440.28 = 135,635.36 : x
  2. Step 2: Convert to fraction form
    243,064.92/335,440.28 = 135,635.36/x
  3. Step 3: Cross multiply
    243,064.92x = 335,440.28 × 135,635.36
  4. Step 4: Simplify right side
    243,064.92x = 45,497,563,136.30
  5. Step 5: Solve for x
    x = 45,497,563,136.30/243,064.92
  6. Step 6: Final answer
    x = 187,182.76

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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.