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Finding the Fourth Proportional to 144,269.59, 199,102.34 and 79,737.45

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Solution

The fourth proportional to 144,269.59, 199,102.34 and 79,737.45 is: 110,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,269.59 : 199,102.34 = 79,737.45 : x
  2. Step 2: Convert to fraction form
    144,269.59/199,102.34 = 79,737.45/x
  3. Step 3: Cross multiply
    144,269.59x = 199,102.34 × 79,737.45
  4. Step 4: Simplify right side
    144,269.59x = 15,875,912,880.63
  5. Step 5: Solve for x
    x = 15,875,912,880.63/144,269.59
  6. Step 6: Final answer
    x = 110,043.38

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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.