Home / 127,942.50-176,560.65-71,352.66

Finding the Fourth Proportional to 127,942.50, 176,560.65 and 71,352.66

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Solution

The fourth proportional to 127,942.50, 176,560.65 and 71,352.66 is: 98,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.50 : 176,560.65 = 71,352.66 : x
  2. Step 2: Convert to fraction form
    127,942.50/176,560.65 = 71,352.66/x
  3. Step 3: Cross multiply
    127,942.50x = 176,560.65 × 71,352.66
  4. Step 4: Simplify right side
    127,942.50x = 12,598,072,028.83
  5. Step 5: Solve for x
    x = 12,598,072,028.83/127,942.50
  6. Step 6: Final answer
    x = 98,466.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.