Home / 147,991.36-221,990.64-48,151.84

Finding the Fourth Proportional to 147,991.36, 221,990.64 and 48,151.84

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Solution

The fourth proportional to 147,991.36, 221,990.64 and 48,151.84 is: 72,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,991.36 : 221,990.64 = 48,151.84 : x
  2. Step 2: Convert to fraction form
    147,991.36/221,990.64 = 48,151.84/x
  3. Step 3: Cross multiply
    147,991.36x = 221,990.64 × 48,151.84
  4. Step 4: Simplify right side
    147,991.36x = 10,689,257,778.78
  5. Step 5: Solve for x
    x = 10,689,257,778.78/147,991.36
  6. Step 6: Final answer
    x = 72,228.93

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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.