Home / 79,683.20-119,265.60-73,462.40

Finding the Fourth Proportional to 79,683.20, 119,265.60 and 73,462.40

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Solution

The fourth proportional to 79,683.20, 119,265.60 and 73,462.40 is: 109,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,683.20 : 119,265.60 = 73,462.40 : x
  2. Step 2: Convert to fraction form
    79,683.20/119,265.60 = 73,462.40/x
  3. Step 3: Cross multiply
    79,683.20x = 119,265.60 × 73,462.40
  4. Step 4: Simplify right side
    79,683.20x = 8,761,537,213.44
  5. Step 5: Solve for x
    x = 8,761,537,213.44/79,683.20
  6. Step 6: Final answer
    x = 109,954.64

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1.5x scale

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.