Home / 136,805.25-205,228.41-48,043.17

Finding the Fourth Proportional to 136,805.25, 205,228.41 and 48,043.17

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Solution

The fourth proportional to 136,805.25, 205,228.41 and 48,043.17 is: 72,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,805.25 : 205,228.41 = 48,043.17 : x
  2. Step 2: Convert to fraction form
    136,805.25/205,228.41 = 48,043.17/x
  3. Step 3: Cross multiply
    136,805.25x = 205,228.41 × 48,043.17
  4. Step 4: Simplify right side
    136,805.25x = 9,859,823,390.46
  5. Step 5: Solve for x
    x = 9,859,823,390.46/136,805.25
  6. Step 6: Final answer
    x = 72,071.97

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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.