Home / 164,566.80-227,102.88-89,115.36

Finding the Fourth Proportional to 164,566.80, 227,102.88 and 89,115.36

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Solution

The fourth proportional to 164,566.80, 227,102.88 and 89,115.36 is: 122,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,566.80 : 227,102.88 = 89,115.36 : x
  2. Step 2: Convert to fraction form
    164,566.80/227,102.88 = 89,115.36/x
  3. Step 3: Cross multiply
    164,566.80x = 227,102.88 × 89,115.36
  4. Step 4: Simplify right side
    164,566.80x = 20,238,354,908.24
  5. Step 5: Solve for x
    x = 20,238,354,908.24/164,566.80
  6. Step 6: Final answer
    x = 122,979.57

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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.