Home / 105,531.94-158,306.13-30,653.30

Finding the Fourth Proportional to 105,531.94, 158,306.13 and 30,653.30

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Solution

The fourth proportional to 105,531.94, 158,306.13 and 30,653.30 is: 45,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,531.94 : 158,306.13 = 30,653.30 : x
  2. Step 2: Convert to fraction form
    105,531.94/158,306.13 = 30,653.30/x
  3. Step 3: Cross multiply
    105,531.94x = 158,306.13 × 30,653.30
  4. Step 4: Simplify right side
    105,531.94x = 4,852,605,294.73
  5. Step 5: Solve for x
    x = 4,852,605,294.73/105,531.94
  6. Step 6: Final answer
    x = 45,982.34

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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.