Home / 166,022.38-248,590.59-86,970.79

Finding the Fourth Proportional to 166,022.38, 248,590.59 and 86,970.79

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Solution

The fourth proportional to 166,022.38, 248,590.59 and 86,970.79 is: 130,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,022.38 : 248,590.59 = 86,970.79 : x
  2. Step 2: Convert to fraction form
    166,022.38/248,590.59 = 86,970.79/x
  3. Step 3: Cross multiply
    166,022.38x = 248,590.59 × 86,970.79
  4. Step 4: Simplify right side
    166,022.38x = 21,620,119,998.87
  5. Step 5: Solve for x
    x = 21,620,119,998.87/166,022.38
  6. Step 6: Final answer
    x = 130,224.13

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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.