Home / 99,418.80-137,197.86-54,096.72

Finding the Fourth Proportional to 99,418.80, 137,197.86 and 54,096.72

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Solution

The fourth proportional to 99,418.80, 137,197.86 and 54,096.72 is: 74,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,418.80 : 137,197.86 = 54,096.72 : x
  2. Step 2: Convert to fraction form
    99,418.80/137,197.86 = 54,096.72/x
  3. Step 3: Cross multiply
    99,418.80x = 137,197.86 × 54,096.72
  4. Step 4: Simplify right side
    99,418.80x = 7,421,954,217.02
  5. Step 5: Solve for x
    x = 7,421,954,217.02/99,418.80
  6. Step 6: Final answer
    x = 74,653.43

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1.5x scale

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.