Home / 181,003.84-249,781.46-100,429.62

Finding the Fourth Proportional to 181,003.84, 249,781.46 and 100,429.62

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Solution

The fourth proportional to 181,003.84, 249,781.46 and 100,429.62 is: 138,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,003.84 : 249,781.46 = 100,429.62 : x
  2. Step 2: Convert to fraction form
    181,003.84/249,781.46 = 100,429.62/x
  3. Step 3: Cross multiply
    181,003.84x = 249,781.46 × 100,429.62
  4. Step 4: Simplify right side
    181,003.84x = 25,085,457,110.85
  5. Step 5: Solve for x
    x = 25,085,457,110.85/181,003.84
  6. Step 6: Final answer
    x = 138,590.75

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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.