Home / 120,837.20-181,255.80-41,943.20

Finding the Fourth Proportional to 120,837.20, 181,255.80 and 41,943.20

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Solution

The fourth proportional to 120,837.20, 181,255.80 and 41,943.20 is: 62,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,837.20 : 181,255.80 = 41,943.20 : x
  2. Step 2: Convert to fraction form
    120,837.20/181,255.80 = 41,943.20/x
  3. Step 3: Cross multiply
    120,837.20x = 181,255.80 × 41,943.20
  4. Step 4: Simplify right side
    120,837.20x = 7,602,448,270.56
  5. Step 5: Solve for x
    x = 7,602,448,270.56/120,837.20
  6. Step 6: Final answer
    x = 62,914.80

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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.