Home / 149,828.60-224,627.70-84,164.60

Finding the Fourth Proportional to 149,828.60, 224,627.70 and 84,164.60

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Solution

The fourth proportional to 149,828.60, 224,627.70 and 84,164.60 is: 126,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,828.60 : 224,627.70 = 84,164.60 : x
  2. Step 2: Convert to fraction form
    149,828.60/224,627.70 = 84,164.60/x
  3. Step 3: Cross multiply
    149,828.60x = 224,627.70 × 84,164.60
  4. Step 4: Simplify right side
    149,828.60x = 18,905,700,519.42
  5. Step 5: Solve for x
    x = 18,905,700,519.42/149,828.60
  6. Step 6: Final answer
    x = 126,182.19

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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.