Home / 112,908.12-169,370.37-38,028.27

Finding the Fourth Proportional to 112,908.12, 169,370.37 and 38,028.27

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Solution

The fourth proportional to 112,908.12, 169,370.37 and 38,028.27 is: 57,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,908.12 : 169,370.37 = 38,028.27 : x
  2. Step 2: Convert to fraction form
    112,908.12/169,370.37 = 38,028.27/x
  3. Step 3: Cross multiply
    112,908.12x = 169,370.37 × 38,028.27
  4. Step 4: Simplify right side
    112,908.12x = 6,440,862,160.36
  5. Step 5: Solve for x
    x = 6,440,862,160.36/112,908.12
  6. Step 6: Final answer
    x = 57,045.16

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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.