Home / 179,094.08-247,122.42-103,628

Finding the Fourth Proportional to 179,094.08, 247,122.42 and 103,628

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Solution

The fourth proportional to 179,094.08, 247,122.42 and 103,628 is: 142,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,094.08 : 247,122.42 = 103,628 : x
  2. Step 2: Convert to fraction form
    179,094.08/247,122.42 = 103,628/x
  3. Step 3: Cross multiply
    179,094.08x = 247,122.42 × 103,628
  4. Step 4: Simplify right side
    179,094.08x = 25,608,802,139.76
  5. Step 5: Solve for x
    x = 25,608,802,139.76/179,094.08
  6. Step 6: Final answer
    x = 142,990.78

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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.