Home / 86,120.04-118,104.13-82,527.87

Finding the Fourth Proportional to 86,120.04, 118,104.13 and 82,527.87

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Solution

The fourth proportional to 86,120.04, 118,104.13 and 82,527.87 is: 113,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,120.04 : 118,104.13 = 82,527.87 : x
  2. Step 2: Convert to fraction form
    86,120.04/118,104.13 = 82,527.87/x
  3. Step 3: Cross multiply
    86,120.04x = 118,104.13 × 82,527.87
  4. Step 4: Simplify right side
    86,120.04x = 9,746,882,287.10
  5. Step 5: Solve for x
    x = 9,746,882,287.10/86,120.04
  6. Step 6: Final answer
    x = 113,177.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.