Home / 109,749.62-151,454.94-59,448.62

Finding the Fourth Proportional to 109,749.62, 151,454.94 and 59,448.62

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Solution

The fourth proportional to 109,749.62, 151,454.94 and 59,448.62 is: 82,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,749.62 : 151,454.94 = 59,448.62 : x
  2. Step 2: Convert to fraction form
    109,749.62/151,454.94 = 59,448.62/x
  3. Step 3: Cross multiply
    109,749.62x = 151,454.94 × 59,448.62
  4. Step 4: Simplify right side
    109,749.62x = 9,003,787,175.18
  5. Step 5: Solve for x
    x = 9,003,787,175.18/109,749.62
  6. Step 6: Final answer
    x = 82,039.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.