Home / 180,029.79-248,428.62-99,456.66

Finding the Fourth Proportional to 180,029.79, 248,428.62 and 99,456.66

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Solution

The fourth proportional to 180,029.79, 248,428.62 and 99,456.66 is: 137,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,029.79 : 248,428.62 = 99,456.66 : x
  2. Step 2: Convert to fraction form
    180,029.79/248,428.62 = 99,456.66/x
  3. Step 3: Cross multiply
    180,029.79x = 248,428.62 × 99,456.66
  4. Step 4: Simplify right side
    180,029.79x = 24,707,880,793.61
  5. Step 5: Solve for x
    x = 24,707,880,793.61/180,029.79
  6. Step 6: Final answer
    x = 137,243.29

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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.