Home / 181,134.70-249,953.40-100,555.97

Finding the Fourth Proportional to 181,134.70, 249,953.40 and 100,555.97

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Solution

The fourth proportional to 181,134.70, 249,953.40 and 100,555.97 is: 138,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,134.70 : 249,953.40 = 100,555.97 : x
  2. Step 2: Convert to fraction form
    181,134.70/249,953.40 = 100,555.97/x
  3. Step 3: Cross multiply
    181,134.70x = 249,953.40 × 100,555.97
  4. Step 4: Simplify right side
    181,134.70x = 25,134,305,342.03
  5. Step 5: Solve for x
    x = 25,134,305,342.03/181,134.70
  6. Step 6: Final answer
    x = 138,760.30

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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.