Home / 111,037.90-166,520.40-40,908.10

Finding the Fourth Proportional to 111,037.90, 166,520.40 and 40,908.10

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Solution

The fourth proportional to 111,037.90, 166,520.40 and 40,908.10 is: 61,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,037.90 : 166,520.40 = 40,908.10 : x
  2. Step 2: Convert to fraction form
    111,037.90/166,520.40 = 40,908.10/x
  3. Step 3: Cross multiply
    111,037.90x = 166,520.40 × 40,908.10
  4. Step 4: Simplify right side
    111,037.90x = 6,812,033,175.24
  5. Step 5: Solve for x
    x = 6,812,033,175.24/111,037.90
  6. Step 6: Final answer
    x = 61,348.72

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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.