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Finding the Fourth Proportional to 118,697.15, 178,046.05 and 29,950.65

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Solution

The fourth proportional to 118,697.15, 178,046.05 and 29,950.65 is: 44,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,697.15 : 178,046.05 = 29,950.65 : x
  2. Step 2: Convert to fraction form
    118,697.15/178,046.05 = 29,950.65/x
  3. Step 3: Cross multiply
    118,697.15x = 178,046.05 × 29,950.65
  4. Step 4: Simplify right side
    118,697.15x = 5,332,594,852.56
  5. Step 5: Solve for x
    x = 5,332,594,852.56/118,697.15
  6. Step 6: Final answer
    x = 44,926.06

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1.5x scale

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.