Home / 159,144.43-219,620.78-86,548.00

Finding the Fourth Proportional to 159,144.43, 219,620.78 and 86,548.00

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Solution

The fourth proportional to 159,144.43, 219,620.78 and 86,548.00 is: 119,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,144.43 : 219,620.78 = 86,548.00 : x
  2. Step 2: Convert to fraction form
    159,144.43/219,620.78 = 86,548.00/x
  3. Step 3: Cross multiply
    159,144.43x = 219,620.78 × 86,548.00
  4. Step 4: Simplify right side
    159,144.43x = 19,007,740,545.84
  5. Step 5: Solve for x
    x = 19,007,740,545.84/159,144.43
  6. Step 6: Final answer
    x = 119,437.05

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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.