Home / 266,213.32-399,061.62-106,243.07

Finding the Fourth Proportional to 266,213.32, 399,061.62 and 106,243.07

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Solution

The fourth proportional to 266,213.32, 399,061.62 and 106,243.07 is: 159,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,213.32 : 399,061.62 = 106,243.07 : x
  2. Step 2: Convert to fraction form
    266,213.32/399,061.62 = 106,243.07/x
  3. Step 3: Cross multiply
    266,213.32x = 399,061.62 × 106,243.07
  4. Step 4: Simplify right side
    266,213.32x = 42,397,529,632.67
  5. Step 5: Solve for x
    x = 42,397,529,632.67/266,213.32
  6. Step 6: Final answer
    x = 159,261.49

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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.