Home / 134,368.20-185,504.60-89,107.29

Finding the Fourth Proportional to 134,368.20, 185,504.60 and 89,107.29

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Solution

The fourth proportional to 134,368.20, 185,504.60 and 89,107.29 is: 123,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,368.20 : 185,504.60 = 89,107.29 : x
  2. Step 2: Convert to fraction form
    134,368.20/185,504.60 = 89,107.29/x
  3. Step 3: Cross multiply
    134,368.20x = 185,504.60 × 89,107.29
  4. Step 4: Simplify right side
    134,368.20x = 16,529,812,188.53
  5. Step 5: Solve for x
    x = 16,529,812,188.53/134,368.20
  6. Step 6: Final answer
    x = 123,018.78

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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.