Home / 109,732.34-163,799.79-99,287.54

Finding the Fourth Proportional to 109,732.34, 163,799.79 and 99,287.54

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Solution

The fourth proportional to 109,732.34, 163,799.79 and 99,287.54 is: 148,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,732.34 : 163,799.79 = 99,287.54 : x
  2. Step 2: Convert to fraction form
    109,732.34/163,799.79 = 99,287.54/x
  3. Step 3: Cross multiply
    109,732.34x = 163,799.79 × 99,287.54
  4. Step 4: Simplify right side
    109,732.34x = 16,263,277,705.18
  5. Step 5: Solve for x
    x = 16,263,277,705.18/109,732.34
  6. Step 6: Final answer
    x = 148,208.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.