Home / 149,376.06-206,000.49-109,025.91

Finding the Fourth Proportional to 149,376.06, 206,000.49 and 109,025.91

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Solution

The fourth proportional to 149,376.06, 206,000.49 and 109,025.91 is: 150,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,376.06 : 206,000.49 = 109,025.91 : x
  2. Step 2: Convert to fraction form
    149,376.06/206,000.49 = 109,025.91/x
  3. Step 3: Cross multiply
    149,376.06x = 206,000.49 × 109,025.91
  4. Step 4: Simplify right side
    149,376.06x = 22,459,390,882.70
  5. Step 5: Solve for x
    x = 22,459,390,882.70/149,376.06
  6. Step 6: Final answer
    x = 150,354.69

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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.