Home / 134,809.28-186,037.83-74,382.14

Finding the Fourth Proportional to 134,809.28, 186,037.83 and 74,382.14

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Solution

The fourth proportional to 134,809.28, 186,037.83 and 74,382.14 is: 102,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,809.28 : 186,037.83 = 74,382.14 : x
  2. Step 2: Convert to fraction form
    134,809.28/186,037.83 = 74,382.14/x
  3. Step 3: Cross multiply
    134,809.28x = 186,037.83 × 74,382.14
  4. Step 4: Simplify right side
    134,809.28x = 13,837,890,986.17
  5. Step 5: Solve for x
    x = 13,837,890,986.17/134,809.28
  6. Step 6: Final answer
    x = 102,647.91

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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.