Home / 109,027.98-163,443.42-38,890.62

Finding the Fourth Proportional to 109,027.98, 163,443.42 and 38,890.62

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Solution

The fourth proportional to 109,027.98, 163,443.42 and 38,890.62 is: 58,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,027.98 : 163,443.42 = 38,890.62 : x
  2. Step 2: Convert to fraction form
    109,027.98/163,443.42 = 38,890.62/x
  3. Step 3: Cross multiply
    109,027.98x = 163,443.42 × 38,890.62
  4. Step 4: Simplify right side
    109,027.98x = 6,356,415,938.72
  5. Step 5: Solve for x
    x = 6,356,415,938.72/109,027.98
  6. Step 6: Final answer
    x = 58,300.78

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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.