Home / 147,943.50-221,915.25-49,447.50

Finding the Fourth Proportional to 147,943.50, 221,915.25 and 49,447.50

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Solution

The fourth proportional to 147,943.50, 221,915.25 and 49,447.50 is: 74,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.50 : 221,915.25 = 49,447.50 : x
  2. Step 2: Convert to fraction form
    147,943.50/221,915.25 = 49,447.50/x
  3. Step 3: Cross multiply
    147,943.50x = 221,915.25 × 49,447.50
  4. Step 4: Simplify right side
    147,943.50x = 10,973,154,324.38
  5. Step 5: Solve for x
    x = 10,973,154,324.38/147,943.50
  6. Step 6: Final answer
    x = 74,171.25

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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.