Home / 121,156.48-181,741.20-36,910.24

Finding the Fourth Proportional to 121,156.48, 181,741.20 and 36,910.24

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Solution

The fourth proportional to 121,156.48, 181,741.20 and 36,910.24 is: 55,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,156.48 : 181,741.20 = 36,910.24 : x
  2. Step 2: Convert to fraction form
    121,156.48/181,741.20 = 36,910.24/x
  3. Step 3: Cross multiply
    121,156.48x = 181,741.20 × 36,910.24
  4. Step 4: Simplify right side
    121,156.48x = 6,708,111,309.89
  5. Step 5: Solve for x
    x = 6,708,111,309.89/121,156.48
  6. Step 6: Final answer
    x = 55,367.33

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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.