Home / 89,436.56-134,182.92-36,870.80

Finding the Fourth Proportional to 89,436.56, 134,182.92 and 36,870.80

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Solution

The fourth proportional to 89,436.56, 134,182.92 and 36,870.80 is: 55,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,436.56 : 134,182.92 = 36,870.80 : x
  2. Step 2: Convert to fraction form
    89,436.56/134,182.92 = 36,870.80/x
  3. Step 3: Cross multiply
    89,436.56x = 134,182.92 × 36,870.80
  4. Step 4: Simplify right side
    89,436.56x = 4,947,431,606.74
  5. Step 5: Solve for x
    x = 4,947,431,606.74/89,436.56
  6. Step 6: Final answer
    x = 55,317.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.