Home / 147,949.75-221,926.24-42,769.63

Finding the Fourth Proportional to 147,949.75, 221,926.24 and 42,769.63

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Solution

The fourth proportional to 147,949.75, 221,926.24 and 42,769.63 is: 64,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,949.75 : 221,926.24 = 42,769.63 : x
  2. Step 2: Convert to fraction form
    147,949.75/221,926.24 = 42,769.63/x
  3. Step 3: Cross multiply
    147,949.75x = 221,926.24 × 42,769.63
  4. Step 4: Simplify right side
    147,949.75x = 9,491,703,172.09
  5. Step 5: Solve for x
    x = 9,491,703,172.09/147,949.75
  6. Step 6: Final answer
    x = 64,154.91

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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.