Home / 79,265.57-118,898.19-20,101.55

Finding the Fourth Proportional to 79,265.57, 118,898.19 and 20,101.55

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Solution

The fourth proportional to 79,265.57, 118,898.19 and 20,101.55 is: 30,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.57 : 118,898.19 = 20,101.55 : x
  2. Step 2: Convert to fraction form
    79,265.57/118,898.19 = 20,101.55/x
  3. Step 3: Cross multiply
    79,265.57x = 118,898.19 × 20,101.55
  4. Step 4: Simplify right side
    79,265.57x = 2,390,037,316.70
  5. Step 5: Solve for x
    x = 2,390,037,316.70/79,265.57
  6. Step 6: Final answer
    x = 30,152.28

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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.