Home / 99,668.46-137,537.41-54,346.07

Finding the Fourth Proportional to 99,668.46, 137,537.41 and 54,346.07

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Solution

The fourth proportional to 99,668.46, 137,537.41 and 54,346.07 is: 74,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668.46 : 137,537.41 = 54,346.07 : x
  2. Step 2: Convert to fraction form
    99,668.46/137,537.41 = 54,346.07/x
  3. Step 3: Cross multiply
    99,668.46x = 137,537.41 × 54,346.07
  4. Step 4: Simplify right side
    99,668.46x = 7,474,617,711.48
  5. Step 5: Solve for x
    x = 7,474,617,711.48/99,668.46
  6. Step 6: Final answer
    x = 74,994.82

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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.