Home / 180,717.78-249,396.98-109,083.81

Finding the Fourth Proportional to 180,717.78, 249,396.98 and 109,083.81

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Solution

The fourth proportional to 180,717.78, 249,396.98 and 109,083.81 is: 150,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,717.78 : 249,396.98 = 109,083.81 : x
  2. Step 2: Convert to fraction form
    180,717.78/249,396.98 = 109,083.81/x
  3. Step 3: Cross multiply
    180,717.78x = 249,396.98 × 109,083.81
  4. Step 4: Simplify right side
    180,717.78x = 27,205,173,170.71
  5. Step 5: Solve for x
    x = 27,205,173,170.71/180,717.78
  6. Step 6: Final answer
    x = 150,539.55

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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.