Home / 243,743.04-336,351.36-134,840.96

Finding the Fourth Proportional to 243,743.04, 336,351.36 and 134,840.96

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Solution

The fourth proportional to 243,743.04, 336,351.36 and 134,840.96 is: 186,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,743.04 : 336,351.36 = 134,840.96 : x
  2. Step 2: Convert to fraction form
    243,743.04/336,351.36 = 134,840.96/x
  3. Step 3: Cross multiply
    243,743.04x = 336,351.36 × 134,840.96
  4. Step 4: Simplify right side
    243,743.04x = 45,353,940,279.71
  5. Step 5: Solve for x
    x = 45,353,940,279.71/243,743.04
  6. Step 6: Final answer
    x = 186,072.76

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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.