Home / 268,746.65-403,110.55-91,255.20

Finding the Fourth Proportional to 268,746.65, 403,110.55 and 91,255.20

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Solution

The fourth proportional to 268,746.65, 403,110.55 and 91,255.20 is: 136,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,746.65 : 403,110.55 = 91,255.20 : x
  2. Step 2: Convert to fraction form
    268,746.65/403,110.55 = 91,255.20/x
  3. Step 3: Cross multiply
    268,746.65x = 403,110.55 × 91,255.20
  4. Step 4: Simplify right side
    268,746.65x = 36,785,933,862.36
  5. Step 5: Solve for x
    x = 36,785,933,862.36/268,746.65
  6. Step 6: Final answer
    x = 136,879.60

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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.