Home / 102,433.07-141,380.32-66,560.80

Finding the Fourth Proportional to 102,433.07, 141,380.32 and 66,560.80

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Solution

The fourth proportional to 102,433.07, 141,380.32 and 66,560.80 is: 91,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,433.07 : 141,380.32 = 66,560.80 : x
  2. Step 2: Convert to fraction form
    102,433.07/141,380.32 = 66,560.80/x
  3. Step 3: Cross multiply
    102,433.07x = 141,380.32 × 66,560.80
  4. Step 4: Simplify right side
    102,433.07x = 9,410,387,203.46
  5. Step 5: Solve for x
    x = 9,410,387,203.46/102,433.07
  6. Step 6: Final answer
    x = 91,868.65

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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.