Home / 243,868.22-336,538.16-136,463.54

Finding the Fourth Proportional to 243,868.22, 336,538.16 and 136,463.54

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Solution

The fourth proportional to 243,868.22, 336,538.16 and 136,463.54 is: 188,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,868.22 : 336,538.16 = 136,463.54 : x
  2. Step 2: Convert to fraction form
    243,868.22/336,538.16 = 136,463.54/x
  3. Step 3: Cross multiply
    243,868.22x = 336,538.16 × 136,463.54
  4. Step 4: Simplify right side
    243,868.22x = 45,925,186,805.42
  5. Step 5: Solve for x
    x = 45,925,186,805.42/243,868.22
  6. Step 6: Final answer
    x = 188,319.69

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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.