Home / 102,761.07-154,168.49-43,599.15

Finding the Fourth Proportional to 102,761.07, 154,168.49 and 43,599.15

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Solution

The fourth proportional to 102,761.07, 154,168.49 and 43,599.15 is: 65,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,761.07 : 154,168.49 = 43,599.15 : x
  2. Step 2: Convert to fraction form
    102,761.07/154,168.49 = 43,599.15/x
  3. Step 3: Cross multiply
    102,761.07x = 154,168.49 × 43,599.15
  4. Step 4: Simplify right side
    102,761.07x = 6,721,614,902.79
  5. Step 5: Solve for x
    x = 6,721,614,902.79/102,761.07
  6. Step 6: Final answer
    x = 65,410.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.