Home / 145,046.14-217,579.68-60,721.49

Finding the Fourth Proportional to 145,046.14, 217,579.68 and 60,721.49

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Solution

The fourth proportional to 145,046.14, 217,579.68 and 60,721.49 is: 91,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,046.14 : 217,579.68 = 60,721.49 : x
  2. Step 2: Convert to fraction form
    145,046.14/217,579.68 = 60,721.49/x
  3. Step 3: Cross multiply
    145,046.14x = 217,579.68 × 60,721.49
  4. Step 4: Simplify right side
    145,046.14x = 13,211,762,363.32
  5. Step 5: Solve for x
    x = 13,211,762,363.32/145,046.14
  6. Step 6: Final answer
    x = 91,086.62

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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.