Home / 223,145.24-334,717.13-80,990.32

Finding the Fourth Proportional to 223,145.24, 334,717.13 and 80,990.32

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Solution

The fourth proportional to 223,145.24, 334,717.13 and 80,990.32 is: 121,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,145.24 : 334,717.13 = 80,990.32 : x
  2. Step 2: Convert to fraction form
    223,145.24/334,717.13 = 80,990.32/x
  3. Step 3: Cross multiply
    223,145.24x = 334,717.13 × 80,990.32
  4. Step 4: Simplify right side
    223,145.24x = 27,108,848,883.63
  5. Step 5: Solve for x
    x = 27,108,848,883.63/223,145.24
  6. Step 6: Final answer
    x = 121,485.22

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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.