Home / 181,147.93-249,972.55-100,575.43

Finding the Fourth Proportional to 181,147.93, 249,972.55 and 100,575.43

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Solution

The fourth proportional to 181,147.93, 249,972.55 and 100,575.43 is: 138,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,147.93 : 249,972.55 = 100,575.43 : x
  2. Step 2: Convert to fraction form
    181,147.93/249,972.55 = 100,575.43/x
  3. Step 3: Cross multiply
    181,147.93x = 249,972.55 × 100,575.43
  4. Step 4: Simplify right side
    181,147.93x = 25,141,096,704.45
  5. Step 5: Solve for x
    x = 25,141,096,704.45/181,147.93
  6. Step 6: Final answer
    x = 138,787.66

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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.