Home / 97,871.20-135,755.20-94,514.56

Finding the Fourth Proportional to 97,871.20, 135,755.20 and 94,514.56

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Solution

The fourth proportional to 97,871.20, 135,755.20 and 94,514.56 is: 131,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,871.20 : 135,755.20 = 94,514.56 : x
  2. Step 2: Convert to fraction form
    97,871.20/135,755.20 = 94,514.56/x
  3. Step 3: Cross multiply
    97,871.20x = 135,755.20 × 94,514.56
  4. Step 4: Simplify right side
    97,871.20x = 12,830,842,995.71
  5. Step 5: Solve for x
    x = 12,830,842,995.71/97,871.20
  6. Step 6: Final answer
    x = 131,099.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.