Home / 79,267.56-118,901.18-20,103.54

Finding the Fourth Proportional to 79,267.56, 118,901.18 and 20,103.54

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Solution

The fourth proportional to 79,267.56, 118,901.18 and 20,103.54 is: 30,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.56 : 118,901.18 = 20,103.54 : x
  2. Step 2: Convert to fraction form
    79,267.56/118,901.18 = 20,103.54/x
  3. Step 3: Cross multiply
    79,267.56x = 118,901.18 × 20,103.54
  4. Step 4: Simplify right side
    79,267.56x = 2,390,334,628.18
  5. Step 5: Solve for x
    x = 2,390,334,628.18/79,267.56
  6. Step 6: Final answer
    x = 30,155.27

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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.