Home / 109,028.20-163,520.70-52,868.20

Finding the Fourth Proportional to 109,028.20, 163,520.70 and 52,868.20

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Solution

The fourth proportional to 109,028.20, 163,520.70 and 52,868.20 is: 79,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,028.20 : 163,520.70 = 52,868.20 : x
  2. Step 2: Convert to fraction form
    109,028.20/163,520.70 = 52,868.20/x
  3. Step 3: Cross multiply
    109,028.20x = 163,520.70 × 52,868.20
  4. Step 4: Simplify right side
    109,028.20x = 8,645,045,071.74
  5. Step 5: Solve for x
    x = 8,645,045,071.74/109,028.20
  6. Step 6: Final answer
    x = 79,291.83

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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.