Home / 89,902.16-134,855.67-23,340.81

Finding the Fourth Proportional to 89,902.16, 134,855.67 and 23,340.81

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Solution

The fourth proportional to 89,902.16, 134,855.67 and 23,340.81 is: 35,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,902.16 : 134,855.67 = 23,340.81 : x
  2. Step 2: Convert to fraction form
    89,902.16/134,855.67 = 23,340.81/x
  3. Step 3: Cross multiply
    89,902.16x = 134,855.67 × 23,340.81
  4. Step 4: Simplify right side
    89,902.16x = 3,147,640,454.19
  5. Step 5: Solve for x
    x = 3,147,640,454.19/89,902.16
  6. Step 6: Final answer
    x = 35,011.85

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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.