Home / 68,844.16-103,267.38-18,923.95

Finding the Fourth Proportional to 68,844.16, 103,267.38 and 18,923.95

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Solution

The fourth proportional to 68,844.16, 103,267.38 and 18,923.95 is: 28,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,844.16 : 103,267.38 = 18,923.95 : x
  2. Step 2: Convert to fraction form
    68,844.16/103,267.38 = 18,923.95/x
  3. Step 3: Cross multiply
    68,844.16x = 103,267.38 × 18,923.95
  4. Step 4: Simplify right side
    68,844.16x = 1,954,226,124.79
  5. Step 5: Solve for x
    x = 1,954,226,124.79/68,844.16
  6. Step 6: Final answer
    x = 28,386.23

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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.