Home / 147,622.61-221,469.06-47,782.79

Finding the Fourth Proportional to 147,622.61, 221,469.06 and 47,782.79

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Solution

The fourth proportional to 147,622.61, 221,469.06 and 47,782.79 is: 71,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.61 : 221,469.06 = 47,782.79 : x
  2. Step 2: Convert to fraction form
    147,622.61/221,469.06 = 47,782.79/x
  3. Step 3: Cross multiply
    147,622.61x = 221,469.06 × 47,782.79
  4. Step 4: Simplify right side
    147,622.61x = 10,582,409,585.48
  5. Step 5: Solve for x
    x = 10,582,409,585.48/147,622.61
  6. Step 6: Final answer
    x = 71,685.56

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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.