Home / 146,118.39-201,641.40-81,588.62

Finding the Fourth Proportional to 146,118.39, 201,641.40 and 81,588.62

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Solution

The fourth proportional to 146,118.39, 201,641.40 and 81,588.62 is: 112,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,118.39 : 201,641.40 = 81,588.62 : x
  2. Step 2: Convert to fraction form
    146,118.39/201,641.40 = 81,588.62/x
  3. Step 3: Cross multiply
    146,118.39x = 201,641.40 × 81,588.62
  4. Step 4: Simplify right side
    146,118.39x = 16,451,643,560.87
  5. Step 5: Solve for x
    x = 16,451,643,560.87/146,118.39
  6. Step 6: Final answer
    x = 112,591.19

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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.