Home / 157,418.56-235,999.16-73,231.20

Finding the Fourth Proportional to 157,418.56, 235,999.16 and 73,231.20

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Solution

The fourth proportional to 157,418.56, 235,999.16 and 73,231.20 is: 109,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,418.56 : 235,999.16 = 73,231.20 : x
  2. Step 2: Convert to fraction form
    157,418.56/235,999.16 = 73,231.20/x
  3. Step 3: Cross multiply
    157,418.56x = 235,999.16 × 73,231.20
  4. Step 4: Simplify right side
    157,418.56x = 17,282,501,685.79
  5. Step 5: Solve for x
    x = 17,282,501,685.79/157,418.56
  6. Step 6: Final answer
    x = 109,786.94

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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.