Home / 127,599.50-191,334.90-74,308.70

Finding the Fourth Proportional to 127,599.50, 191,334.90 and 74,308.70

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Solution

The fourth proportional to 127,599.50, 191,334.90 and 74,308.70 is: 111,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,599.50 : 191,334.90 = 74,308.70 : x
  2. Step 2: Convert to fraction form
    127,599.50/191,334.90 = 74,308.70/x
  3. Step 3: Cross multiply
    127,599.50x = 191,334.90 × 74,308.70
  4. Step 4: Simplify right side
    127,599.50x = 14,217,847,683.63
  5. Step 5: Solve for x
    x = 14,217,847,683.63/127,599.50
  6. Step 6: Final answer
    x = 111,425.58

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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.