Home / 121,375.02-181,986.42-37,107.15

Finding the Fourth Proportional to 121,375.02, 181,986.42 and 37,107.15

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Solution

The fourth proportional to 121,375.02, 181,986.42 and 37,107.15 is: 55,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,375.02 : 181,986.42 = 37,107.15 : x
  2. Step 2: Convert to fraction form
    121,375.02/181,986.42 = 37,107.15/x
  3. Step 3: Cross multiply
    121,375.02x = 181,986.42 × 37,107.15
  4. Step 4: Simplify right side
    121,375.02x = 6,752,997,384.90
  5. Step 5: Solve for x
    x = 6,752,997,384.90/121,375.02
  6. Step 6: Final answer
    x = 55,637.46

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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.