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Finding the Fourth Proportional to 119,360, 179,001.76 and 39,380.08

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Solution

The fourth proportional to 119,360, 179,001.76 and 39,380.08 is: 59,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,360 : 179,001.76 = 39,380.08 : x
  2. Step 2: Convert to fraction form
    119,360/179,001.76 = 39,380.08/x
  3. Step 3: Cross multiply
    119,360x = 179,001.76 × 39,380.08
  4. Step 4: Simplify right side
    119,360x = 7,049,103,628.94
  5. Step 5: Solve for x
    x = 7,049,103,628.94/119,360
  6. Step 6: Final answer
    x = 59,057.50

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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.