Home / 91,647.08-126,168.52-82,199.24

Finding the Fourth Proportional to 91,647.08, 126,168.52 and 82,199.24

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Solution

The fourth proportional to 91,647.08, 126,168.52 and 82,199.24 is: 113,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,647.08 : 126,168.52 = 82,199.24 : x
  2. Step 2: Convert to fraction form
    91,647.08/126,168.52 = 82,199.24/x
  3. Step 3: Cross multiply
    91,647.08x = 126,168.52 × 82,199.24
  4. Step 4: Simplify right side
    91,647.08x = 10,370,956,455.92
  5. Step 5: Solve for x
    x = 10,370,956,455.92/91,647.08
  6. Step 6: Final answer
    x = 113,161.89

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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.