Home / 242,618.07-334,808.42-135,185.79

Finding the Fourth Proportional to 242,618.07, 334,808.42 and 135,185.79

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Solution

The fourth proportional to 242,618.07, 334,808.42 and 135,185.79 is: 186,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,618.07 : 334,808.42 = 135,185.79 : x
  2. Step 2: Convert to fraction form
    242,618.07/334,808.42 = 135,185.79/x
  3. Step 3: Cross multiply
    242,618.07x = 334,808.42 × 135,185.79
  4. Step 4: Simplify right side
    242,618.07x = 45,261,340,080.42
  5. Step 5: Solve for x
    x = 45,261,340,080.42/242,618.07
  6. Step 6: Final answer
    x = 186,553.87

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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.