Home / 86,800.23-130,200.35-82,367.91

Finding the Fourth Proportional to 86,800.23, 130,200.35 and 82,367.91

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Solution

The fourth proportional to 86,800.23, 130,200.35 and 82,367.91 is: 123,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,800.23 : 130,200.35 = 82,367.91 : x
  2. Step 2: Convert to fraction form
    86,800.23/130,200.35 = 82,367.91/x
  3. Step 3: Cross multiply
    86,800.23x = 130,200.35 × 82,367.91
  4. Step 4: Simplify right side
    86,800.23x = 10,724,330,298.93
  5. Step 5: Solve for x
    x = 10,724,330,298.93/86,800.23
  6. Step 6: Final answer
    x = 123,551.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.