Home / 149,670.32-206,545.55-89,268.08

Finding the Fourth Proportional to 149,670.32, 206,545.55 and 89,268.08

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Solution

The fourth proportional to 149,670.32, 206,545.55 and 89,268.08 is: 123,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,670.32 : 206,545.55 = 89,268.08 : x
  2. Step 2: Convert to fraction form
    149,670.32/206,545.55 = 89,268.08/x
  3. Step 3: Cross multiply
    149,670.32x = 206,545.55 × 89,268.08
  4. Step 4: Simplify right side
    149,670.32x = 18,437,923,201.98
  5. Step 5: Solve for x
    x = 18,437,923,201.98/149,670.32
  6. Step 6: Final answer
    x = 123,190.25

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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.