Home / 111,929.71-167,901.11-31,961.51

Finding the Fourth Proportional to 111,929.71, 167,901.11 and 31,961.51

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Solution

The fourth proportional to 111,929.71, 167,901.11 and 31,961.51 is: 47,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929.71 : 167,901.11 = 31,961.51 : x
  2. Step 2: Convert to fraction form
    111,929.71/167,901.11 = 31,961.51/x
  3. Step 3: Cross multiply
    111,929.71x = 167,901.11 × 31,961.51
  4. Step 4: Simplify right side
    111,929.71x = 5,366,373,006.28
  5. Step 5: Solve for x
    x = 5,366,373,006.28/111,929.71
  6. Step 6: Final answer
    x = 47,944.13

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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.