Home / 112,906.10-169,359.44-38,078.81

Finding the Fourth Proportional to 112,906.10, 169,359.44 and 38,078.81

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Solution

The fourth proportional to 112,906.10, 169,359.44 and 38,078.81 is: 57,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,906.10 : 169,359.44 = 38,078.81 : x
  2. Step 2: Convert to fraction form
    112,906.10/169,359.44 = 38,078.81/x
  3. Step 3: Cross multiply
    112,906.10x = 169,359.44 × 38,078.81
  4. Step 4: Simplify right side
    112,906.10x = 6,449,005,090.67
  5. Step 5: Solve for x
    x = 6,449,005,090.67/112,906.10
  6. Step 6: Final answer
    x = 57,118.31

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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.