Home / 180,792.42-249,467.27-100,219.88

Finding the Fourth Proportional to 180,792.42, 249,467.27 and 100,219.88

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Solution

The fourth proportional to 180,792.42, 249,467.27 and 100,219.88 is: 138,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,792.42 : 249,467.27 = 100,219.88 : x
  2. Step 2: Convert to fraction form
    180,792.42/249,467.27 = 100,219.88/x
  3. Step 3: Cross multiply
    180,792.42x = 249,467.27 × 100,219.88
  4. Step 4: Simplify right side
    180,792.42x = 25,001,578,114.89
  5. Step 5: Solve for x
    x = 25,001,578,114.89/180,792.42
  6. Step 6: Final answer
    x = 138,288.86

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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.