Home / 99,927.63-137,744.78-68,041.71

Finding the Fourth Proportional to 99,927.63, 137,744.78 and 68,041.71

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Solution

The fourth proportional to 99,927.63, 137,744.78 and 68,041.71 is: 93,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,927.63 : 137,744.78 = 68,041.71 : x
  2. Step 2: Convert to fraction form
    99,927.63/137,744.78 = 68,041.71/x
  3. Step 3: Cross multiply
    99,927.63x = 137,744.78 × 68,041.71
  4. Step 4: Simplify right side
    99,927.63x = 9,372,390,374.77
  5. Step 5: Solve for x
    x = 9,372,390,374.77/99,927.63
  6. Step 6: Final answer
    x = 93,791.78

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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.