Home / 89,364.06-133,377.39-87,887.88

Finding the Fourth Proportional to 89,364.06, 133,377.39 and 87,887.88

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Solution

The fourth proportional to 89,364.06, 133,377.39 and 87,887.88 is: 131,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,364.06 : 133,377.39 = 87,887.88 : x
  2. Step 2: Convert to fraction form
    89,364.06/133,377.39 = 87,887.88/x
  3. Step 3: Cross multiply
    89,364.06x = 133,377.39 × 87,887.88
  4. Step 4: Simplify right side
    89,364.06x = 11,722,256,047.03
  5. Step 5: Solve for x
    x = 11,722,256,047.03/89,364.06
  6. Step 6: Final answer
    x = 131,174.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.