Home / 262,090.20-393,135.30-112,402.20

Finding the Fourth Proportional to 262,090.20, 393,135.30 and 112,402.20

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Solution

The fourth proportional to 262,090.20, 393,135.30 and 112,402.20 is: 168,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,090.20 : 393,135.30 = 112,402.20 : x
  2. Step 2: Convert to fraction form
    262,090.20/393,135.30 = 112,402.20/x
  3. Step 3: Cross multiply
    262,090.20x = 393,135.30 × 112,402.20
  4. Step 4: Simplify right side
    262,090.20x = 44,189,272,617.66
  5. Step 5: Solve for x
    x = 44,189,272,617.66/262,090.20
  6. Step 6: Final answer
    x = 168,603.30

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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.