Home / 120,921.32-181,382.40-36,682.22

Finding the Fourth Proportional to 120,921.32, 181,382.40 and 36,682.22

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Solution

The fourth proportional to 120,921.32, 181,382.40 and 36,682.22 is: 55,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,921.32 : 181,382.40 = 36,682.22 : x
  2. Step 2: Convert to fraction form
    120,921.32/181,382.40 = 36,682.22/x
  3. Step 3: Cross multiply
    120,921.32x = 181,382.40 × 36,682.22
  4. Step 4: Simplify right side
    120,921.32x = 6,653,509,100.93
  5. Step 5: Solve for x
    x = 6,653,509,100.93/120,921.32
  6. Step 6: Final answer
    x = 55,023.46

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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.