Home / 104,659.24-156,945.12-42,286

Finding the Fourth Proportional to 104,659.24, 156,945.12 and 42,286

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Solution

The fourth proportional to 104,659.24, 156,945.12 and 42,286 is: 63,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,659.24 : 156,945.12 = 42,286 : x
  2. Step 2: Convert to fraction form
    104,659.24/156,945.12 = 42,286/x
  3. Step 3: Cross multiply
    104,659.24x = 156,945.12 × 42,286
  4. Step 4: Simplify right side
    104,659.24x = 6,636,581,344.32
  5. Step 5: Solve for x
    x = 6,636,581,344.32/104,659.24
  6. Step 6: Final answer
    x = 63,411.33

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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.