Home / 113,015.70-169,523.55-42,891.30

Finding the Fourth Proportional to 113,015.70, 169,523.55 and 42,891.30

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Solution

The fourth proportional to 113,015.70, 169,523.55 and 42,891.30 is: 64,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,015.70 : 169,523.55 = 42,891.30 : x
  2. Step 2: Convert to fraction form
    113,015.70/169,523.55 = 42,891.30/x
  3. Step 3: Cross multiply
    113,015.70x = 169,523.55 × 42,891.30
  4. Step 4: Simplify right side
    113,015.70x = 7,271,085,440.12
  5. Step 5: Solve for x
    x = 7,271,085,440.12/113,015.70
  6. Step 6: Final answer
    x = 64,336.95

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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.