Home / 154,623.03-213,376.17-90,964.92

Finding the Fourth Proportional to 154,623.03, 213,376.17 and 90,964.92

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Solution

The fourth proportional to 154,623.03, 213,376.17 and 90,964.92 is: 125,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,623.03 : 213,376.17 = 90,964.92 : x
  2. Step 2: Convert to fraction form
    154,623.03/213,376.17 = 90,964.92/x
  3. Step 3: Cross multiply
    154,623.03x = 213,376.17 × 90,964.92
  4. Step 4: Simplify right side
    154,623.03x = 19,409,746,233.96
  5. Step 5: Solve for x
    x = 19,409,746,233.96/154,623.03
  6. Step 6: Final answer
    x = 125,529.47

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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.