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Finding the Fourth Proportional to 114,247.71, 171,412.61 and 51,062.58

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Solution

The fourth proportional to 114,247.71, 171,412.61 and 51,062.58 is: 76,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,247.71 : 171,412.61 = 51,062.58 : x
  2. Step 2: Convert to fraction form
    114,247.71/171,412.61 = 51,062.58/x
  3. Step 3: Cross multiply
    114,247.71x = 171,412.61 × 51,062.58
  4. Step 4: Simplify right side
    114,247.71x = 8,752,769,855.82
  5. Step 5: Solve for x
    x = 8,752,769,855.82/114,247.71
  6. Step 6: Final answer
    x = 76,612.21

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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.