Home / 147,778.77-221,647.36-47,939.84

Finding the Fourth Proportional to 147,778.77, 221,647.36 and 47,939.84

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Solution

The fourth proportional to 147,778.77, 221,647.36 and 47,939.84 is: 71,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,778.77 : 221,647.36 = 47,939.84 : x
  2. Step 2: Convert to fraction form
    147,778.77/221,647.36 = 47,939.84/x
  3. Step 3: Cross multiply
    147,778.77x = 221,647.36 × 47,939.84
  4. Step 4: Simplify right side
    147,778.77x = 10,625,738,974.82
  5. Step 5: Solve for x
    x = 10,625,738,974.82/147,778.77
  6. Step 6: Final answer
    x = 71,903.01

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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.