Home / 147,949.62-221,891.95-42,745.70

Finding the Fourth Proportional to 147,949.62, 221,891.95 and 42,745.70

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Solution

The fourth proportional to 147,949.62, 221,891.95 and 42,745.70 is: 64,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,949.62 : 221,891.95 = 42,745.70 : x
  2. Step 2: Convert to fraction form
    147,949.62/221,891.95 = 42,745.70/x
  3. Step 3: Cross multiply
    147,949.62x = 221,891.95 × 42,745.70
  4. Step 4: Simplify right side
    147,949.62x = 9,484,926,727.12
  5. Step 5: Solve for x
    x = 9,484,926,727.12/147,949.62
  6. Step 6: Final answer
    x = 64,109.17

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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.