Home / 154,568.10-231,852.15-137,946.90

Finding the Fourth Proportional to 154,568.10, 231,852.15 and 137,946.90

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Solution

The fourth proportional to 154,568.10, 231,852.15 and 137,946.90 is: 206,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,568.10 : 231,852.15 = 137,946.90 : x
  2. Step 2: Convert to fraction form
    154,568.10/231,852.15 = 137,946.90/x
  3. Step 3: Cross multiply
    154,568.10x = 231,852.15 × 137,946.90
  4. Step 4: Simplify right side
    154,568.10x = 31,983,285,350.84
  5. Step 5: Solve for x
    x = 31,983,285,350.84/154,568.10
  6. Step 6: Final answer
    x = 206,920.35

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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.