Home / 78,292.40-117,442.55-22,136.54

Finding the Fourth Proportional to 78,292.40, 117,442.55 and 22,136.54

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Solution

The fourth proportional to 78,292.40, 117,442.55 and 22,136.54 is: 33,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,292.40 : 117,442.55 = 22,136.54 : x
  2. Step 2: Convert to fraction form
    78,292.40/117,442.55 = 22,136.54/x
  3. Step 3: Cross multiply
    78,292.40x = 117,442.55 × 22,136.54
  4. Step 4: Simplify right side
    78,292.40x = 2,599,771,705.78
  5. Step 5: Solve for x
    x = 2,599,771,705.78/78,292.40
  6. Step 6: Final answer
    x = 33,205.93

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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.