Home / 109,146.38-163,719.61-49,104.74

Finding the Fourth Proportional to 109,146.38, 163,719.61 and 49,104.74

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Solution

The fourth proportional to 109,146.38, 163,719.61 and 49,104.74 is: 73,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,146.38 : 163,719.61 = 49,104.74 : x
  2. Step 2: Convert to fraction form
    109,146.38/163,719.61 = 49,104.74/x
  3. Step 3: Cross multiply
    109,146.38x = 163,719.61 × 49,104.74
  4. Step 4: Simplify right side
    109,146.38x = 8,039,408,881.95
  5. Step 5: Solve for x
    x = 8,039,408,881.95/109,146.38
  6. Step 6: Final answer
    x = 73,657.13

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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.