Home / 99,568.47-137,400.53-54,246.81

Finding the Fourth Proportional to 99,568.47, 137,400.53 and 54,246.81

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Solution

The fourth proportional to 99,568.47, 137,400.53 and 54,246.81 is: 74,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,568.47 : 137,400.53 = 54,246.81 : x
  2. Step 2: Convert to fraction form
    99,568.47/137,400.53 = 54,246.81/x
  3. Step 3: Cross multiply
    99,568.47x = 137,400.53 × 54,246.81
  4. Step 4: Simplify right side
    99,568.47x = 7,453,540,173.58
  5. Step 5: Solve for x
    x = 7,453,540,173.58/99,568.47
  6. Step 6: Final answer
    x = 74,858.44

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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.