Home / 102,782.79-141,679.44-94,534.74

Finding the Fourth Proportional to 102,782.79, 141,679.44 and 94,534.74

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Solution

The fourth proportional to 102,782.79, 141,679.44 and 94,534.74 is: 130,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,782.79 : 141,679.44 = 94,534.74 : x
  2. Step 2: Convert to fraction form
    102,782.79/141,679.44 = 94,534.74/x
  3. Step 3: Cross multiply
    102,782.79x = 141,679.44 × 94,534.74
  4. Step 4: Simplify right side
    102,782.79x = 13,393,629,023.75
  5. Step 5: Solve for x
    x = 13,393,629,023.75/102,782.79
  6. Step 6: Final answer
    x = 130,310.04

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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.