Home / 224,154.80-309,329.40-122,181.20

Finding the Fourth Proportional to 224,154.80, 309,329.40 and 122,181.20

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Solution

The fourth proportional to 224,154.80, 309,329.40 and 122,181.20 is: 168,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,154.80 : 309,329.40 = 122,181.20 : x
  2. Step 2: Convert to fraction form
    224,154.80/309,329.40 = 122,181.20/x
  3. Step 3: Cross multiply
    224,154.80x = 309,329.40 × 122,181.20
  4. Step 4: Simplify right side
    224,154.80x = 37,794,237,287.28
  5. Step 5: Solve for x
    x = 37,794,237,287.28/224,154.80
  6. Step 6: Final answer
    x = 168,607.75

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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.