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Finding the Fourth Proportional to 119,607.88, 179,411.82 and 49,489.01

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Solution

The fourth proportional to 119,607.88, 179,411.82 and 49,489.01 is: 74,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,607.88 : 179,411.82 = 49,489.01 : x
  2. Step 2: Convert to fraction form
    119,607.88/179,411.82 = 49,489.01/x
  3. Step 3: Cross multiply
    119,607.88x = 179,411.82 × 49,489.01
  4. Step 4: Simplify right side
    119,607.88x = 8,878,913,106.65
  5. Step 5: Solve for x
    x = 8,878,913,106.65/119,607.88
  6. Step 6: Final answer
    x = 74,233.52

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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.