Home / 224,131.70-309,302.18-122,158.30

Finding the Fourth Proportional to 224,131.70, 309,302.18 and 122,158.30

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Solution

The fourth proportional to 224,131.70, 309,302.18 and 122,158.30 is: 168,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,131.70 : 309,302.18 = 122,158.30 : x
  2. Step 2: Convert to fraction form
    224,131.70/309,302.18 = 122,158.30/x
  3. Step 3: Cross multiply
    224,131.70x = 309,302.18 × 122,158.30
  4. Step 4: Simplify right side
    224,131.70x = 37,783,828,495.09
  5. Step 5: Solve for x
    x = 37,783,828,495.09/224,131.70
  6. Step 6: Final answer
    x = 168,578.69

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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.