Home / 181,089.56-249,876.96-100,517.69

Finding the Fourth Proportional to 181,089.56, 249,876.96 and 100,517.69

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Solution

The fourth proportional to 181,089.56, 249,876.96 and 100,517.69 is: 138,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,089.56 : 249,876.96 = 100,517.69 : x
  2. Step 2: Convert to fraction form
    181,089.56/249,876.96 = 100,517.69/x
  3. Step 3: Cross multiply
    181,089.56x = 249,876.96 × 100,517.69
  4. Step 4: Simplify right side
    181,089.56x = 25,117,054,803.42
  5. Step 5: Solve for x
    x = 25,117,054,803.42/181,089.56
  6. Step 6: Final answer
    x = 138,699.63

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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.