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Finding the Fourth Proportional to 141,322.92, 195,101.46 and 108,986.82

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Solution

The fourth proportional to 141,322.92, 195,101.46 and 108,986.82 is: 150,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,322.92 : 195,101.46 = 108,986.82 : x
  2. Step 2: Convert to fraction form
    141,322.92/195,101.46 = 108,986.82/x
  3. Step 3: Cross multiply
    141,322.92x = 195,101.46 × 108,986.82
  4. Step 4: Simplify right side
    141,322.92x = 21,263,487,702.76
  5. Step 5: Solve for x
    x = 21,263,487,702.76/141,322.92
  6. Step 6: Final answer
    x = 150,460.29

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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.