Home / 224,152.76-309,328.78-122,178.20

Finding the Fourth Proportional to 224,152.76, 309,328.78 and 122,178.20

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Solution

The fourth proportional to 224,152.76, 309,328.78 and 122,178.20 is: 168,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,152.76 : 309,328.78 = 122,178.20 : x
  2. Step 2: Convert to fraction form
    224,152.76/309,328.78 = 122,178.20/x
  3. Step 3: Cross multiply
    224,152.76x = 309,328.78 × 122,178.20
  4. Step 4: Simplify right side
    224,152.76x = 37,793,233,548.60
  5. Step 5: Solve for x
    x = 37,793,233,548.60/224,152.76
  6. Step 6: Final answer
    x = 168,604.81

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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.