Home / 86,774.20-130,064.10-36,845.80

Finding the Fourth Proportional to 86,774.20, 130,064.10 and 36,845.80

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Solution

The fourth proportional to 86,774.20, 130,064.10 and 36,845.80 is: 55,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,774.20 : 130,064.10 = 36,845.80 : x
  2. Step 2: Convert to fraction form
    86,774.20/130,064.10 = 36,845.80/x
  3. Step 3: Cross multiply
    86,774.20x = 130,064.10 × 36,845.80
  4. Step 4: Simplify right side
    86,774.20x = 4,792,315,815.78
  5. Step 5: Solve for x
    x = 4,792,315,815.78/86,774.20
  6. Step 6: Final answer
    x = 55,227.43

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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.