Home / 99,448.20-137,252.98-55,845.65

Finding the Fourth Proportional to 99,448.20, 137,252.98 and 55,845.65

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Solution

The fourth proportional to 99,448.20, 137,252.98 and 55,845.65 is: 77,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,448.20 : 137,252.98 = 55,845.65 : x
  2. Step 2: Convert to fraction form
    99,448.20/137,252.98 = 55,845.65/x
  3. Step 3: Cross multiply
    99,448.20x = 137,252.98 × 55,845.65
  4. Step 4: Simplify right side
    99,448.20x = 7,664,981,056.66
  5. Step 5: Solve for x
    x = 7,664,981,056.66/99,448.20
  6. Step 6: Final answer
    x = 77,075.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.