Home / 224,112.88-309,267.93-122,136.27

Finding the Fourth Proportional to 224,112.88, 309,267.93 and 122,136.27

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Solution

The fourth proportional to 224,112.88, 309,267.93 and 122,136.27 is: 168,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,112.88 : 309,267.93 = 122,136.27 : x
  2. Step 2: Convert to fraction form
    224,112.88/309,267.93 = 122,136.27/x
  3. Step 3: Cross multiply
    224,112.88x = 309,267.93 × 122,136.27
  4. Step 4: Simplify right side
    224,112.88x = 37,772,831,400.82
  5. Step 5: Solve for x
    x = 37,772,831,400.82/224,112.88
  6. Step 6: Final answer
    x = 168,543.78

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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.