Home / 154,296.20-231,542.58-103,120.40

Finding the Fourth Proportional to 154,296.20, 231,542.58 and 103,120.40

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Solution

The fourth proportional to 154,296.20, 231,542.58 and 103,120.40 is: 154,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,296.20 : 231,542.58 = 103,120.40 : x
  2. Step 2: Convert to fraction form
    154,296.20/231,542.58 = 103,120.40/x
  3. Step 3: Cross multiply
    154,296.20x = 231,542.58 × 103,120.40
  4. Step 4: Simplify right side
    154,296.20x = 23,876,763,466.63
  5. Step 5: Solve for x
    x = 23,876,763,466.63/154,296.20
  6. Step 6: Final answer
    x = 154,746.28

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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.