Home / 147,538.20-221,253.30-47,724.60

Finding the Fourth Proportional to 147,538.20, 221,253.30 and 47,724.60

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Solution

The fourth proportional to 147,538.20, 221,253.30 and 47,724.60 is: 71,569.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,538.20 : 221,253.30 = 47,724.60 : x
  2. Step 2: Convert to fraction form
    147,538.20/221,253.30 = 47,724.60/x
  3. Step 3: Cross multiply
    147,538.20x = 221,253.30 × 47,724.60
  4. Step 4: Simplify right side
    147,538.20x = 10,559,225,241.18
  5. Step 5: Solve for x
    x = 10,559,225,241.18/147,538.20
  6. Step 6: Final answer
    x = 71,569.43

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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.