Home / 214,912.40-322,432.98-86,762.70

Finding the Fourth Proportional to 214,912.40, 322,432.98 and 86,762.70

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Solution

The fourth proportional to 214,912.40, 322,432.98 and 86,762.70 is: 130,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912.40 : 322,432.98 = 86,762.70 : x
  2. Step 2: Convert to fraction form
    214,912.40/322,432.98 = 86,762.70/x
  3. Step 3: Cross multiply
    214,912.40x = 322,432.98 × 86,762.70
  4. Step 4: Simplify right side
    214,912.40x = 27,975,155,913.85
  5. Step 5: Solve for x
    x = 27,975,155,913.85/214,912.40
  6. Step 6: Final answer
    x = 130,170.04

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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.