Home / 121,286.18-181,852.92-37,018.31

Finding the Fourth Proportional to 121,286.18, 181,852.92 and 37,018.31

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Solution

The fourth proportional to 121,286.18, 181,852.92 and 37,018.31 is: 55,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,286.18 : 181,852.92 = 37,018.31 : x
  2. Step 2: Convert to fraction form
    121,286.18/181,852.92 = 37,018.31/x
  3. Step 3: Cross multiply
    121,286.18x = 181,852.92 × 37,018.31
  4. Step 4: Simplify right side
    121,286.18x = 6,731,887,766.97
  5. Step 5: Solve for x
    x = 6,731,887,766.97/121,286.18
  6. Step 6: Final answer
    x = 55,504.16

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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.