Home / 150,822.80-225,906.15-121,298.30

Finding the Fourth Proportional to 150,822.80, 225,906.15 and 121,298.30

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Solution

The fourth proportional to 150,822.80, 225,906.15 and 121,298.30 is: 181,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,822.80 : 225,906.15 = 121,298.30 : x
  2. Step 2: Convert to fraction form
    150,822.80/225,906.15 = 121,298.30/x
  3. Step 3: Cross multiply
    150,822.80x = 225,906.15 × 121,298.30
  4. Step 4: Simplify right side
    150,822.80x = 27,402,031,954.55
  5. Step 5: Solve for x
    x = 27,402,031,954.55/150,822.80
  6. Step 6: Final answer
    x = 181,683.62

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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.