Home / 224,129.69-309,299.41-122,156.29

Finding the Fourth Proportional to 224,129.69, 309,299.41 and 122,156.29

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Solution

The fourth proportional to 224,129.69, 309,299.41 and 122,156.29 is: 168,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,129.69 : 309,299.41 = 122,156.29 : x
  2. Step 2: Convert to fraction form
    224,129.69/309,299.41 = 122,156.29/x
  3. Step 3: Cross multiply
    224,129.69x = 309,299.41 × 122,156.29
  4. Step 4: Simplify right side
    224,129.69x = 37,782,868,424.79
  5. Step 5: Solve for x
    x = 37,782,868,424.79/224,129.69
  6. Step 6: Final answer
    x = 168,575.92

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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.