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Finding the Fourth Proportional to 94,843.88, 130,887.22 and 52,405.16

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Solution

The fourth proportional to 94,843.88, 130,887.22 and 52,405.16 is: 72,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,843.88 : 130,887.22 = 52,405.16 : x
  2. Step 2: Convert to fraction form
    94,843.88/130,887.22 = 52,405.16/x
  3. Step 3: Cross multiply
    94,843.88x = 130,887.22 × 52,405.16
  4. Step 4: Simplify right side
    94,843.88x = 6,859,165,706.06
  5. Step 5: Solve for x
    x = 6,859,165,706.06/94,843.88
  6. Step 6: Final answer
    x = 72,320.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.