Home / 149,382.60-205,864.44-106,867.32

Finding the Fourth Proportional to 149,382.60, 205,864.44 and 106,867.32

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Solution

The fourth proportional to 149,382.60, 205,864.44 and 106,867.32 is: 147,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,382.60 : 205,864.44 = 106,867.32 : x
  2. Step 2: Convert to fraction form
    149,382.60/205,864.44 = 106,867.32/x
  3. Step 3: Cross multiply
    149,382.60x = 205,864.44 × 106,867.32
  4. Step 4: Simplify right side
    149,382.60x = 22,000,180,986.10
  5. Step 5: Solve for x
    x = 22,000,180,986.10/149,382.60
  6. Step 6: Final answer
    x = 147,274.05

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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.