Home / 95,247.80-142,638.40-67,098.68

Finding the Fourth Proportional to 95,247.80, 142,638.40 and 67,098.68

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Solution

The fourth proportional to 95,247.80, 142,638.40 and 67,098.68 is: 100,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,247.80 : 142,638.40 = 67,098.68 : x
  2. Step 2: Convert to fraction form
    95,247.80/142,638.40 = 67,098.68/x
  3. Step 3: Cross multiply
    95,247.80x = 142,638.40 × 67,098.68
  4. Step 4: Simplify right side
    95,247.80x = 9,570,848,357.31
  5. Step 5: Solve for x
    x = 9,570,848,357.31/95,247.80
  6. Step 6: Final answer
    x = 100,483.67

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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.