Home / 112,977.63-169,470.84-34,091.86

Finding the Fourth Proportional to 112,977.63, 169,470.84 and 34,091.86

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Solution

The fourth proportional to 112,977.63, 169,470.84 and 34,091.86 is: 51,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,977.63 : 169,470.84 = 34,091.86 : x
  2. Step 2: Convert to fraction form
    112,977.63/169,470.84 = 34,091.86/x
  3. Step 3: Cross multiply
    112,977.63x = 169,470.84 × 34,091.86
  4. Step 4: Simplify right side
    112,977.63x = 5,777,576,151.36
  5. Step 5: Solve for x
    x = 5,777,576,151.36/112,977.63
  6. Step 6: Final answer
    x = 51,139.12

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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.