Home / 289,910.04-435,013.50-132,118.20

Finding the Fourth Proportional to 289,910.04, 435,013.50 and 132,118.20

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Solution

The fourth proportional to 289,910.04, 435,013.50 and 132,118.20 is: 198,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,910.04 : 435,013.50 = 132,118.20 : x
  2. Step 2: Convert to fraction form
    289,910.04/435,013.50 = 132,118.20/x
  3. Step 3: Cross multiply
    289,910.04x = 435,013.50 × 132,118.20
  4. Step 4: Simplify right side
    289,910.04x = 57,473,200,595.70
  5. Step 5: Solve for x
    x = 57,473,200,595.70/289,910.04
  6. Step 6: Final answer
    x = 198,244.95

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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.