Home / 86,859.33-130,311.46-50,866.18

Finding the Fourth Proportional to 86,859.33, 130,311.46 and 50,866.18

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Solution

The fourth proportional to 86,859.33, 130,311.46 and 50,866.18 is: 76,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,859.33 : 130,311.46 = 50,866.18 : x
  2. Step 2: Convert to fraction form
    86,859.33/130,311.46 = 50,866.18/x
  3. Step 3: Cross multiply
    86,859.33x = 130,311.46 × 50,866.18
  4. Step 4: Simplify right side
    86,859.33x = 6,628,446,180.42
  5. Step 5: Solve for x
    x = 6,628,446,180.42/86,859.33
  6. Step 6: Final answer
    x = 76,312.43

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1.5x scale

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.