Home / 126,938.20-190,368.92-38,168.14

Finding the Fourth Proportional to 126,938.20, 190,368.92 and 38,168.14

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Solution

The fourth proportional to 126,938.20, 190,368.92 and 38,168.14 is: 57,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,938.20 : 190,368.92 = 38,168.14 : x
  2. Step 2: Convert to fraction form
    126,938.20/190,368.92 = 38,168.14/x
  3. Step 3: Cross multiply
    126,938.20x = 190,368.92 × 38,168.14
  4. Step 4: Simplify right side
    126,938.20x = 7,266,027,590.21
  5. Step 5: Solve for x
    x = 7,266,027,590.21/126,938.20
  6. Step 6: Final answer
    x = 57,240.67

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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.