Home / 149,948.76-225,033.66-71,062.86

Finding the Fourth Proportional to 149,948.76, 225,033.66 and 71,062.86

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Solution

The fourth proportional to 149,948.76, 225,033.66 and 71,062.86 is: 106,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,948.76 : 225,033.66 = 71,062.86 : x
  2. Step 2: Convert to fraction form
    149,948.76/225,033.66 = 71,062.86/x
  3. Step 3: Cross multiply
    149,948.76x = 225,033.66 × 71,062.86
  4. Step 4: Simplify right side
    149,948.76x = 15,991,535,475.87
  5. Step 5: Solve for x
    x = 15,991,535,475.87/149,948.76
  6. Step 6: Final answer
    x = 106,646.67

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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.