Home / 243,835.56-336,499.80-136,424.16

Finding the Fourth Proportional to 243,835.56, 336,499.80 and 136,424.16

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Solution

The fourth proportional to 243,835.56, 336,499.80 and 136,424.16 is: 188,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,835.56 : 336,499.80 = 136,424.16 : x
  2. Step 2: Convert to fraction form
    243,835.56/336,499.80 = 136,424.16/x
  3. Step 3: Cross multiply
    243,835.56x = 336,499.80 × 136,424.16
  4. Step 4: Simplify right side
    243,835.56x = 45,906,702,555.17
  5. Step 5: Solve for x
    x = 45,906,702,555.17/243,835.56
  6. Step 6: Final answer
    x = 188,269.10

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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.