Home / 131,990.32-182,296.99-89,475.04

Finding the Fourth Proportional to 131,990.32, 182,296.99 and 89,475.04

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Solution

The fourth proportional to 131,990.32, 182,296.99 and 89,475.04 is: 123,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,990.32 : 182,296.99 = 89,475.04 : x
  2. Step 2: Convert to fraction form
    131,990.32/182,296.99 = 89,475.04/x
  3. Step 3: Cross multiply
    131,990.32x = 182,296.99 × 89,475.04
  4. Step 4: Simplify right side
    131,990.32x = 16,311,030,811.84
  5. Step 5: Solve for x
    x = 16,311,030,811.84/131,990.32
  6. Step 6: Final answer
    x = 123,577.48

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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.