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Finding the Fourth Proportional to 114,287.60, 171,625.80 and 84,738.80

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Solution

The fourth proportional to 114,287.60, 171,625.80 and 84,738.80 is: 127,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,287.60 : 171,625.80 = 84,738.80 : x
  2. Step 2: Convert to fraction form
    114,287.60/171,625.80 = 84,738.80/x
  3. Step 3: Cross multiply
    114,287.60x = 171,625.80 × 84,738.80
  4. Step 4: Simplify right side
    114,287.60x = 14,543,364,341.04
  5. Step 5: Solve for x
    x = 14,543,364,341.04/114,287.60
  6. Step 6: Final answer
    x = 127,252.34

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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.