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Finding the Fourth Proportional to 119,439.84, 179,153.88 and 44,554.16

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Solution

The fourth proportional to 119,439.84, 179,153.88 and 44,554.16 is: 66,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,439.84 : 179,153.88 = 44,554.16 : x
  2. Step 2: Convert to fraction form
    119,439.84/179,153.88 = 44,554.16/x
  3. Step 3: Cross multiply
    119,439.84x = 179,153.88 × 44,554.16
  4. Step 4: Simplify right side
    119,439.84x = 7,982,050,634.14
  5. Step 5: Solve for x
    x = 7,982,050,634.14/119,439.84
  6. Step 6: Final answer
    x = 66,829.05

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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.