Home / 243,513.14-336,055.35-136,083.48

Finding the Fourth Proportional to 243,513.14, 336,055.35 and 136,083.48

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Solution

The fourth proportional to 243,513.14, 336,055.35 and 136,083.48 is: 187,799.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,513.14 : 336,055.35 = 136,083.48 : x
  2. Step 2: Convert to fraction form
    243,513.14/336,055.35 = 136,083.48/x
  3. Step 3: Cross multiply
    243,513.14x = 336,055.35 × 136,083.48
  4. Step 4: Simplify right side
    243,513.14x = 45,731,581,500.62
  5. Step 5: Solve for x
    x = 45,731,581,500.62/243,513.14
  6. Step 6: Final answer
    x = 187,799.24

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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.