Home / 147,929.46-204,142.68-79,946.21

Finding the Fourth Proportional to 147,929.46, 204,142.68 and 79,946.21

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Solution

The fourth proportional to 147,929.46, 204,142.68 and 79,946.21 is: 110,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,929.46 : 204,142.68 = 79,946.21 : x
  2. Step 2: Convert to fraction form
    147,929.46/204,142.68 = 79,946.21/x
  3. Step 3: Cross multiply
    147,929.46x = 204,142.68 × 79,946.21
  4. Step 4: Simplify right side
    147,929.46x = 16,320,432,544.53
  5. Step 5: Solve for x
    x = 16,320,432,544.53/147,929.46
  6. Step 6: Final answer
    x = 110,325.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.