Home / 120,727.16-181,029.96-41,820.20

Finding the Fourth Proportional to 120,727.16, 181,029.96 and 41,820.20

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Solution

The fourth proportional to 120,727.16, 181,029.96 and 41,820.20 is: 62,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,727.16 : 181,029.96 = 41,820.20 : x
  2. Step 2: Convert to fraction form
    120,727.16/181,029.96 = 41,820.20/x
  3. Step 3: Cross multiply
    120,727.16x = 181,029.96 × 41,820.20
  4. Step 4: Simplify right side
    120,727.16x = 7,570,709,133.19
  5. Step 5: Solve for x
    x = 7,570,709,133.19/120,727.16
  6. Step 6: Final answer
    x = 62,709.25

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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.