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Finding the Fourth Proportional to 89,199.92, 133,807.18 and 44,803.84

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Solution

The fourth proportional to 89,199.92, 133,807.18 and 44,803.84 is: 67,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,199.92 : 133,807.18 = 44,803.84 : x
  2. Step 2: Convert to fraction form
    89,199.92/133,807.18 = 44,803.84/x
  3. Step 3: Cross multiply
    89,199.92x = 133,807.18 × 44,803.84
  4. Step 4: Simplify right side
    89,199.92x = 5,995,075,483.57
  5. Step 5: Solve for x
    x = 5,995,075,483.57/89,199.92
  6. Step 6: Final answer
    x = 67,209.43

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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.