Home / 105,339.54-158,025.04-38,774.61

Finding the Fourth Proportional to 105,339.54, 158,025.04 and 38,774.61

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Solution

The fourth proportional to 105,339.54, 158,025.04 and 38,774.61 is: 58,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,339.54 : 158,025.04 = 38,774.61 : x
  2. Step 2: Convert to fraction form
    105,339.54/158,025.04 = 38,774.61/x
  3. Step 3: Cross multiply
    105,339.54x = 158,025.04 × 38,774.61
  4. Step 4: Simplify right side
    105,339.54x = 6,127,359,296.23
  5. Step 5: Solve for x
    x = 6,127,359,296.23/105,339.54
  6. Step 6: Final answer
    x = 58,167.71

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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.