Home / 154,635.03-213,392.72-90,976.92

Finding the Fourth Proportional to 154,635.03, 213,392.72 and 90,976.92

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Solution

The fourth proportional to 154,635.03, 213,392.72 and 90,976.92 is: 125,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,635.03 : 213,392.72 = 90,976.92 : x
  2. Step 2: Convert to fraction form
    154,635.03/213,392.72 = 90,976.92/x
  3. Step 3: Cross multiply
    154,635.03x = 213,392.72 × 90,976.92
  4. Step 4: Simplify right side
    154,635.03x = 19,413,812,416.02
  5. Step 5: Solve for x
    x = 19,413,812,416.02/154,635.03
  6. Step 6: Final answer
    x = 125,546.02

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1.5x scale

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.