Home / 119,837.20-179,820.60-53,287.60

Finding the Fourth Proportional to 119,837.20, 179,820.60 and 53,287.60

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Solution

The fourth proportional to 119,837.20, 179,820.60 and 53,287.60 is: 79,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,837.20 : 179,820.60 = 53,287.60 : x
  2. Step 2: Convert to fraction form
    119,837.20/179,820.60 = 53,287.60/x
  3. Step 3: Cross multiply
    119,837.20x = 179,820.60 × 53,287.60
  4. Step 4: Simplify right side
    119,837.20x = 9,582,208,204.56
  5. Step 5: Solve for x
    x = 9,582,208,204.56/119,837.20
  6. Step 6: Final answer
    x = 79,960.21

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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.