Home / 146,672.10-219,680.10-126,989.10

Finding the Fourth Proportional to 146,672.10, 219,680.10 and 126,989.10

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Solution

The fourth proportional to 146,672.10, 219,680.10 and 126,989.10 is: 190,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,672.10 : 219,680.10 = 126,989.10 : x
  2. Step 2: Convert to fraction form
    146,672.10/219,680.10 = 126,989.10/x
  3. Step 3: Cross multiply
    146,672.10x = 219,680.10 × 126,989.10
  4. Step 4: Simplify right side
    146,672.10x = 27,896,978,186.91
  5. Step 5: Solve for x
    x = 27,896,978,186.91/146,672.10
  6. Step 6: Final answer
    x = 190,199.62

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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.