Home / 149,928.60-224,633.70-70,872.60

Finding the Fourth Proportional to 149,928.60, 224,633.70 and 70,872.60

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Solution

The fourth proportional to 149,928.60, 224,633.70 and 70,872.60 is: 106,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,928.60 : 224,633.70 = 70,872.60 : x
  2. Step 2: Convert to fraction form
    149,928.60/224,633.70 = 70,872.60/x
  3. Step 3: Cross multiply
    149,928.60x = 224,633.70 × 70,872.60
  4. Step 4: Simplify right side
    149,928.60x = 15,920,374,366.62
  5. Step 5: Solve for x
    x = 15,920,374,366.62/149,928.60
  6. Step 6: Final answer
    x = 106,186.37

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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.