Home / 224,101.25-309,259.78-122,126.74

Finding the Fourth Proportional to 224,101.25, 309,259.78 and 122,126.74

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Solution

The fourth proportional to 224,101.25, 309,259.78 and 122,126.74 is: 168,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,101.25 : 309,259.78 = 122,126.74 : x
  2. Step 2: Convert to fraction form
    224,101.25/309,259.78 = 122,126.74/x
  3. Step 3: Cross multiply
    224,101.25x = 309,259.78 × 122,126.74
  4. Step 4: Simplify right side
    224,101.25x = 37,768,887,666.05
  5. Step 5: Solve for x
    x = 37,768,887,666.05/224,101.25
  6. Step 6: Final answer
    x = 168,534.93

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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.