Home / 126,277.90-174,267.57-71,828.67

Finding the Fourth Proportional to 126,277.90, 174,267.57 and 71,828.67

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Solution

The fourth proportional to 126,277.90, 174,267.57 and 71,828.67 is: 99,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,277.90 : 174,267.57 = 71,828.67 : x
  2. Step 2: Convert to fraction form
    126,277.90/174,267.57 = 71,828.67/x
  3. Step 3: Cross multiply
    126,277.90x = 174,267.57 × 71,828.67
  4. Step 4: Simplify right side
    126,277.90x = 12,517,408,212.90
  5. Step 5: Solve for x
    x = 12,517,408,212.90/126,277.90
  6. Step 6: Final answer
    x = 99,125.88

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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.