Home / 180,849.08-249,623.70-109,217

Finding the Fourth Proportional to 180,849.08, 249,623.70 and 109,217

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Solution

The fourth proportional to 180,849.08, 249,623.70 and 109,217 is: 150,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,849.08 : 249,623.70 = 109,217 : x
  2. Step 2: Convert to fraction form
    180,849.08/249,623.70 = 109,217/x
  3. Step 3: Cross multiply
    180,849.08x = 249,623.70 × 109,217
  4. Step 4: Simplify right side
    180,849.08x = 27,263,151,642.90
  5. Step 5: Solve for x
    x = 27,263,151,642.90/180,849.08
  6. Step 6: Final answer
    x = 150,750.85

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1.5x scale

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.