Home / 97,285.20-134,249.04-65,448.96

Finding the Fourth Proportional to 97,285.20, 134,249.04 and 65,448.96

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Solution

The fourth proportional to 97,285.20, 134,249.04 and 65,448.96 is: 90,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,285.20 : 134,249.04 = 65,448.96 : x
  2. Step 2: Convert to fraction form
    97,285.20/134,249.04 = 65,448.96/x
  3. Step 3: Cross multiply
    97,285.20x = 134,249.04 × 65,448.96
  4. Step 4: Simplify right side
    97,285.20x = 8,786,460,049.00
  5. Step 5: Solve for x
    x = 8,786,460,049.00/97,285.20
  6. Step 6: Final answer
    x = 90,316.51

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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.