Home / 181,089.26-249,902.75-100,517.75

Finding the Fourth Proportional to 181,089.26, 249,902.75 and 100,517.75

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Solution

The fourth proportional to 181,089.26, 249,902.75 and 100,517.75 is: 138,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,089.26 : 249,902.75 = 100,517.75 : x
  2. Step 2: Convert to fraction form
    181,089.26/249,902.75 = 100,517.75/x
  3. Step 3: Cross multiply
    181,089.26x = 249,902.75 × 100,517.75
  4. Step 4: Simplify right side
    181,089.26x = 25,119,662,148.81
  5. Step 5: Solve for x
    x = 25,119,662,148.81/181,089.26
  6. Step 6: Final answer
    x = 138,714.26

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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.