Home / 112,414.20-168,617.40-28,175.10

Finding the Fourth Proportional to 112,414.20, 168,617.40 and 28,175.10

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Solution

The fourth proportional to 112,414.20, 168,617.40 and 28,175.10 is: 42,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,414.20 : 168,617.40 = 28,175.10 : x
  2. Step 2: Convert to fraction form
    112,414.20/168,617.40 = 28,175.10/x
  3. Step 3: Cross multiply
    112,414.20x = 168,617.40 × 28,175.10
  4. Step 4: Simplify right side
    112,414.20x = 4,750,812,106.74
  5. Step 5: Solve for x
    x = 4,750,812,106.74/112,414.20
  6. Step 6: Final answer
    x = 42,261.67

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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.