Home / 78,220.20-117,330.14-22,060.20

Finding the Fourth Proportional to 78,220.20, 117,330.14 and 22,060.20

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Solution

The fourth proportional to 78,220.20, 117,330.14 and 22,060.20 is: 33,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,220.20 : 117,330.14 = 22,060.20 : x
  2. Step 2: Convert to fraction form
    78,220.20/117,330.14 = 22,060.20/x
  3. Step 3: Cross multiply
    78,220.20x = 117,330.14 × 22,060.20
  4. Step 4: Simplify right side
    78,220.20x = 2,588,326,354.43
  5. Step 5: Solve for x
    x = 2,588,326,354.43/78,220.20
  6. Step 6: Final answer
    x = 33,090.25

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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.