Home / 121,285.61-167,359.62-69,600.06

Finding the Fourth Proportional to 121,285.61, 167,359.62 and 69,600.06

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Solution

The fourth proportional to 121,285.61, 167,359.62 and 69,600.06 is: 96,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285.61 : 167,359.62 = 69,600.06 : x
  2. Step 2: Convert to fraction form
    121,285.61/167,359.62 = 69,600.06/x
  3. Step 3: Cross multiply
    121,285.61x = 167,359.62 × 69,600.06
  4. Step 4: Simplify right side
    121,285.61x = 11,648,239,593.58
  5. Step 5: Solve for x
    x = 11,648,239,593.58/121,285.61
  6. Step 6: Final answer
    x = 96,039.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.