Home / 111,385.78-167,076.03-27,146.32

Finding the Fourth Proportional to 111,385.78, 167,076.03 and 27,146.32

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Solution

The fourth proportional to 111,385.78, 167,076.03 and 27,146.32 is: 40,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,385.78 : 167,076.03 = 27,146.32 : x
  2. Step 2: Convert to fraction form
    111,385.78/167,076.03 = 27,146.32/x
  3. Step 3: Cross multiply
    111,385.78x = 167,076.03 × 27,146.32
  4. Step 4: Simplify right side
    111,385.78x = 4,535,499,374.71
  5. Step 5: Solve for x
    x = 4,535,499,374.71/111,385.78
  6. Step 6: Final answer
    x = 40,718.84

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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.