Home / 175,090.20-262,700.10-69,984.60

Finding the Fourth Proportional to 175,090.20, 262,700.10 and 69,984.60

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Solution

The fourth proportional to 175,090.20, 262,700.10 and 69,984.60 is: 105,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,090.20 : 262,700.10 = 69,984.60 : x
  2. Step 2: Convert to fraction form
    175,090.20/262,700.10 = 69,984.60/x
  3. Step 3: Cross multiply
    175,090.20x = 262,700.10 × 69,984.60
  4. Step 4: Simplify right side
    175,090.20x = 18,384,961,418.46
  5. Step 5: Solve for x
    x = 18,384,961,418.46/175,090.20
  6. Step 6: Final answer
    x = 105,002.80

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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.