Home / 110,206.80-165,310.20-74,777.40

Finding the Fourth Proportional to 110,206.80, 165,310.20 and 74,777.40

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Solution

The fourth proportional to 110,206.80, 165,310.20 and 74,777.40 is: 112,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,206.80 : 165,310.20 = 74,777.40 : x
  2. Step 2: Convert to fraction form
    110,206.80/165,310.20 = 74,777.40/x
  3. Step 3: Cross multiply
    110,206.80x = 165,310.20 × 74,777.40
  4. Step 4: Simplify right side
    110,206.80x = 12,361,466,949.48
  5. Step 5: Solve for x
    x = 12,361,466,949.48/110,206.80
  6. Step 6: Final answer
    x = 112,166.10

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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.