Home / 137,549.75-189,858.33-89,150.02

Finding the Fourth Proportional to 137,549.75, 189,858.33 and 89,150.02

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Solution

The fourth proportional to 137,549.75, 189,858.33 and 89,150.02 is: 123,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,549.75 : 189,858.33 = 89,150.02 : x
  2. Step 2: Convert to fraction form
    137,549.75/189,858.33 = 89,150.02/x
  3. Step 3: Cross multiply
    137,549.75x = 189,858.33 × 89,150.02
  4. Step 4: Simplify right side
    137,549.75x = 16,925,873,442.02
  5. Step 5: Solve for x
    x = 16,925,873,442.02/137,549.75
  6. Step 6: Final answer
    x = 123,052.74

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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.