Home / 289,908.04-435,010.50-132,116.20

Finding the Fourth Proportional to 289,908.04, 435,010.50 and 132,116.20

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Solution

The fourth proportional to 289,908.04, 435,010.50 and 132,116.20 is: 198,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,908.04 : 435,010.50 = 132,116.20 : x
  2. Step 2: Convert to fraction form
    289,908.04/435,010.50 = 132,116.20/x
  3. Step 3: Cross multiply
    289,908.04x = 435,010.50 × 132,116.20
  4. Step 4: Simplify right side
    289,908.04x = 57,471,934,220.10
  5. Step 5: Solve for x
    x = 57,471,934,220.10/289,908.04
  6. Step 6: Final answer
    x = 198,241.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.