Home / 77,228.74-115,852.65-27,298.54

Finding the Fourth Proportional to 77,228.74, 115,852.65 and 27,298.54

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Solution

The fourth proportional to 77,228.74, 115,852.65 and 27,298.54 is: 40,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,228.74 : 115,852.65 = 27,298.54 : x
  2. Step 2: Convert to fraction form
    77,228.74/115,852.65 = 27,298.54/x
  3. Step 3: Cross multiply
    77,228.74x = 115,852.65 × 27,298.54
  4. Step 4: Simplify right side
    77,228.74x = 3,162,608,200.13
  5. Step 5: Solve for x
    x = 3,162,608,200.13/77,228.74
  6. Step 6: Final answer
    x = 40,951.18

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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.