Home / 154,328.20-231,492.30-137,597.65

Finding the Fourth Proportional to 154,328.20, 231,492.30 and 137,597.65

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Solution

The fourth proportional to 154,328.20, 231,492.30 and 137,597.65 is: 206,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,328.20 : 231,492.30 = 137,597.65 : x
  2. Step 2: Convert to fraction form
    154,328.20/231,492.30 = 137,597.65/x
  3. Step 3: Cross multiply
    154,328.20x = 231,492.30 × 137,597.65
  4. Step 4: Simplify right side
    154,328.20x = 31,852,796,473.10
  5. Step 5: Solve for x
    x = 31,852,796,473.10/154,328.20
  6. Step 6: Final answer
    x = 206,396.48

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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.