Home / 141,897.28-195,835.96-81,486.80

Finding the Fourth Proportional to 141,897.28, 195,835.96 and 81,486.80

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Solution

The fourth proportional to 141,897.28, 195,835.96 and 81,486.80 is: 112,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,897.28 : 195,835.96 = 81,486.80 : x
  2. Step 2: Convert to fraction form
    141,897.28/195,835.96 = 81,486.80/x
  3. Step 3: Cross multiply
    141,897.28x = 195,835.96 × 81,486.80
  4. Step 4: Simplify right side
    141,897.28x = 15,958,045,705.33
  5. Step 5: Solve for x
    x = 15,958,045,705.33/141,897.28
  6. Step 6: Final answer
    x = 112,461.96

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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.