Home / 268,299.27-402,467.54-90,746.26

Finding the Fourth Proportional to 268,299.27, 402,467.54 and 90,746.26

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Solution

The fourth proportional to 268,299.27, 402,467.54 and 90,746.26 is: 136,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,299.27 : 402,467.54 = 90,746.26 : x
  2. Step 2: Convert to fraction form
    268,299.27/402,467.54 = 90,746.26/x
  3. Step 3: Cross multiply
    268,299.27x = 402,467.54 × 90,746.26
  4. Step 4: Simplify right side
    268,299.27x = 36,522,422,566.50
  5. Step 5: Solve for x
    x = 36,522,422,566.50/268,299.27
  6. Step 6: Final answer
    x = 136,125.69

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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.