Home / 147,610.81-221,423.19-47,778.82

Finding the Fourth Proportional to 147,610.81, 221,423.19 and 47,778.82

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Solution

The fourth proportional to 147,610.81, 221,423.19 and 47,778.82 is: 71,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,610.81 : 221,423.19 = 47,778.82 : x
  2. Step 2: Convert to fraction form
    147,610.81/221,423.19 = 47,778.82/x
  3. Step 3: Cross multiply
    147,610.81x = 221,423.19 × 47,778.82
  4. Step 4: Simplify right side
    147,610.81x = 10,579,338,738.84
  5. Step 5: Solve for x
    x = 10,579,338,738.84/147,610.81
  6. Step 6: Final answer
    x = 71,670.49

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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.