Home / 111,850.12-167,775.13-40,778.11

Finding the Fourth Proportional to 111,850.12, 167,775.13 and 40,778.11

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Solution

The fourth proportional to 111,850.12, 167,775.13 and 40,778.11 is: 61,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,850.12 : 167,775.13 = 40,778.11 : x
  2. Step 2: Convert to fraction form
    111,850.12/167,775.13 = 40,778.11/x
  3. Step 3: Cross multiply
    111,850.12x = 167,775.13 × 40,778.11
  4. Step 4: Simplify right side
    111,850.12x = 6,841,552,706.40
  5. Step 5: Solve for x
    x = 6,841,552,706.40/111,850.12
  6. Step 6: Final answer
    x = 61,167.15

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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.