Home / 147,529.60-221,359.20-68,603.20

Finding the Fourth Proportional to 147,529.60, 221,359.20 and 68,603.20

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Solution

The fourth proportional to 147,529.60, 221,359.20 and 68,603.20 is: 102,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,529.60 : 221,359.20 = 68,603.20 : x
  2. Step 2: Convert to fraction form
    147,529.60/221,359.20 = 68,603.20/x
  3. Step 3: Cross multiply
    147,529.60x = 221,359.20 × 68,603.20
  4. Step 4: Simplify right side
    147,529.60x = 15,185,949,469.44
  5. Step 5: Solve for x
    x = 15,185,949,469.44/147,529.60
  6. Step 6: Final answer
    x = 102,934.93

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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.