Home / 180,847.08-249,620.94-109,215

Finding the Fourth Proportional to 180,847.08, 249,620.94 and 109,215

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Solution

The fourth proportional to 180,847.08, 249,620.94 and 109,215 is: 150,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,847.08 : 249,620.94 = 109,215 : x
  2. Step 2: Convert to fraction form
    180,847.08/249,620.94 = 109,215/x
  3. Step 3: Cross multiply
    180,847.08x = 249,620.94 × 109,215
  4. Step 4: Simplify right side
    180,847.08x = 27,262,350,962.10
  5. Step 5: Solve for x
    x = 27,262,350,962.10/180,847.08
  6. Step 6: Final answer
    x = 150,748.08

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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.