Home / 243,001.05-335,341.66-135,571.11

Finding the Fourth Proportional to 243,001.05, 335,341.66 and 135,571.11

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Solution

The fourth proportional to 243,001.05, 335,341.66 and 135,571.11 is: 187,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,001.05 : 335,341.66 = 135,571.11 : x
  2. Step 2: Convert to fraction form
    243,001.05/335,341.66 = 135,571.11/x
  3. Step 3: Cross multiply
    243,001.05x = 335,341.66 × 135,571.11
  4. Step 4: Simplify right side
    243,001.05x = 45,462,639,398.73
  5. Step 5: Solve for x
    x = 45,462,639,398.73/243,001.05
  6. Step 6: Final answer
    x = 187,088.24

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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.