Home / 136,991.49-205,507.76-48,229.35

Finding the Fourth Proportional to 136,991.49, 205,507.76 and 48,229.35

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Solution

The fourth proportional to 136,991.49, 205,507.76 and 48,229.35 is: 72,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,991.49 : 205,507.76 = 48,229.35 : x
  2. Step 2: Convert to fraction form
    136,991.49/205,507.76 = 48,229.35/x
  3. Step 3: Cross multiply
    136,991.49x = 205,507.76 × 48,229.35
  4. Step 4: Simplify right side
    136,991.49x = 9,911,505,443.61
  5. Step 5: Solve for x
    x = 9,911,505,443.61/136,991.49
  6. Step 6: Final answer
    x = 72,351.25

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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.