Home / 149,390.20-224,171.70-55,905.40

Finding the Fourth Proportional to 149,390.20, 224,171.70 and 55,905.40

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Solution

The fourth proportional to 149,390.20, 224,171.70 and 55,905.40 is: 83,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,390.20 : 224,171.70 = 55,905.40 : x
  2. Step 2: Convert to fraction form
    149,390.20/224,171.70 = 55,905.40/x
  3. Step 3: Cross multiply
    149,390.20x = 224,171.70 × 55,905.40
  4. Step 4: Simplify right side
    149,390.20x = 12,532,408,557.18
  5. Step 5: Solve for x
    x = 12,532,408,557.18/149,390.20
  6. Step 6: Final answer
    x = 83,890.43

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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.