Home / 205,116.20-307,674.30-167,791.40

Finding the Fourth Proportional to 205,116.20, 307,674.30 and 167,791.40

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Solution

The fourth proportional to 205,116.20, 307,674.30 and 167,791.40 is: 251,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,116.20 : 307,674.30 = 167,791.40 : x
  2. Step 2: Convert to fraction form
    205,116.20/307,674.30 = 167,791.40/x
  3. Step 3: Cross multiply
    205,116.20x = 307,674.30 × 167,791.40
  4. Step 4: Simplify right side
    205,116.20x = 51,625,101,541.02
  5. Step 5: Solve for x
    x = 51,625,101,541.02/205,116.20
  6. Step 6: Final answer
    x = 251,687.10

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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.