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Finding the Fourth Proportional to 144,127.74, 198,897.87 and 79,596.87

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Solution

The fourth proportional to 144,127.74, 198,897.87 and 79,596.87 is: 109,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,127.74 : 198,897.87 = 79,596.87 : x
  2. Step 2: Convert to fraction form
    144,127.74/198,897.87 = 79,596.87/x
  3. Step 3: Cross multiply
    144,127.74x = 198,897.87 × 79,596.87
  4. Step 4: Simplify right side
    144,127.74x = 15,831,647,901.67
  5. Step 5: Solve for x
    x = 15,831,647,901.67/144,127.74
  6. Step 6: Final answer
    x = 109,844.56

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1.5x scale

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.