Home / 121,219.52-181,832.22-41,257.35

Finding the Fourth Proportional to 121,219.52, 181,832.22 and 41,257.35

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Solution

The fourth proportional to 121,219.52, 181,832.22 and 41,257.35 is: 61,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,219.52 : 181,832.22 = 41,257.35 : x
  2. Step 2: Convert to fraction form
    121,219.52/181,832.22 = 41,257.35/x
  3. Step 3: Cross multiply
    121,219.52x = 181,832.22 × 41,257.35
  4. Step 4: Simplify right side
    121,219.52x = 7,501,915,541.82
  5. Step 5: Solve for x
    x = 7,501,915,541.82/121,219.52
  6. Step 6: Final answer
    x = 61,887.03

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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.