Home / 281,159.24-421,717.26-103,633.16

Finding the Fourth Proportional to 281,159.24, 421,717.26 and 103,633.16

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Solution

The fourth proportional to 281,159.24, 421,717.26 and 103,633.16 is: 155,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,159.24 : 421,717.26 = 103,633.16 : x
  2. Step 2: Convert to fraction form
    281,159.24/421,717.26 = 103,633.16/x
  3. Step 3: Cross multiply
    281,159.24x = 421,717.26 × 103,633.16
  4. Step 4: Simplify right side
    281,159.24x = 43,703,892,280.34
  5. Step 5: Solve for x
    x = 43,703,892,280.34/281,159.24
  6. Step 6: Final answer
    x = 155,441.78

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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.