Home / 147,521.44-221,380.58-76,509.55

Finding the Fourth Proportional to 147,521.44, 221,380.58 and 76,509.55

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Solution

The fourth proportional to 147,521.44, 221,380.58 and 76,509.55 is: 114,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521.44 : 221,380.58 = 76,509.55 : x
  2. Step 2: Convert to fraction form
    147,521.44/221,380.58 = 76,509.55/x
  3. Step 3: Cross multiply
    147,521.44x = 221,380.58 × 76,509.55
  4. Step 4: Simplify right side
    147,521.44x = 16,937,728,554.54
  5. Step 5: Solve for x
    x = 16,937,728,554.54/147,521.44
  6. Step 6: Final answer
    x = 114,815.37

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1.5x scale

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.