Home / 137,549.37-189,900.95-89,882.49

Finding the Fourth Proportional to 137,549.37, 189,900.95 and 89,882.49

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Solution

The fourth proportional to 137,549.37, 189,900.95 and 89,882.49 is: 124,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,549.37 : 189,900.95 = 89,882.49 : x
  2. Step 2: Convert to fraction form
    137,549.37/189,900.95 = 89,882.49/x
  3. Step 3: Cross multiply
    137,549.37x = 189,900.95 × 89,882.49
  4. Step 4: Simplify right side
    137,549.37x = 17,068,769,789.95
  5. Step 5: Solve for x
    x = 17,068,769,789.95/137,549.37
  6. Step 6: Final answer
    x = 124,091.95

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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.