Home / 109,359.40-164,047.18-39,239.32

Finding the Fourth Proportional to 109,359.40, 164,047.18 and 39,239.32

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Solution

The fourth proportional to 109,359.40, 164,047.18 and 39,239.32 is: 58,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,359.40 : 164,047.18 = 39,239.32 : x
  2. Step 2: Convert to fraction form
    109,359.40/164,047.18 = 39,239.32/x
  3. Step 3: Cross multiply
    109,359.40x = 164,047.18 × 39,239.32
  4. Step 4: Simplify right side
    109,359.40x = 6,437,099,791.12
  5. Step 5: Solve for x
    x = 6,437,099,791.12/109,359.40
  6. Step 6: Final answer
    x = 58,861.88

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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.