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Finding the Fourth Proportional to 101,919.79, 152,891.84 and 49,291.45

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Solution

The fourth proportional to 101,919.79, 152,891.84 and 49,291.45 is: 73,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,919.79 : 152,891.84 = 49,291.45 : x
  2. Step 2: Convert to fraction form
    101,919.79/152,891.84 = 49,291.45/x
  3. Step 3: Cross multiply
    101,919.79x = 152,891.84 × 49,291.45
  4. Step 4: Simplify right side
    101,919.79x = 7,536,260,810.52
  5. Step 5: Solve for x
    x = 7,536,260,810.52/101,919.79
  6. Step 6: Final answer
    x = 73,943.06

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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.