Home / 205,746.30-283,956.03-115,107.30

Finding the Fourth Proportional to 205,746.30, 283,956.03 and 115,107.30

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Solution

The fourth proportional to 205,746.30, 283,956.03 and 115,107.30 is: 158,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,746.30 : 283,956.03 = 115,107.30 : x
  2. Step 2: Convert to fraction form
    205,746.30/283,956.03 = 115,107.30/x
  3. Step 3: Cross multiply
    205,746.30x = 283,956.03 × 115,107.30
  4. Step 4: Simplify right side
    205,746.30x = 32,685,411,932.02
  5. Step 5: Solve for x
    x = 32,685,411,932.02/205,746.30
  6. Step 6: Final answer
    x = 158,862.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.