Home / 86,817.56-130,229.06-29,890.85

Finding the Fourth Proportional to 86,817.56, 130,229.06 and 29,890.85

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Solution

The fourth proportional to 86,817.56, 130,229.06 and 29,890.85 is: 44,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,817.56 : 130,229.06 = 29,890.85 : x
  2. Step 2: Convert to fraction form
    86,817.56/130,229.06 = 29,890.85/x
  3. Step 3: Cross multiply
    86,817.56x = 130,229.06 × 29,890.85
  4. Step 4: Simplify right side
    86,817.56x = 3,892,656,497.50
  5. Step 5: Solve for x
    x = 3,892,656,497.50/86,817.56
  6. Step 6: Final answer
    x = 44,837.20

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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.