Home / 224,222.49-309,252.06-143,657.55

Finding the Fourth Proportional to 224,222.49, 309,252.06 and 143,657.55

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Solution

The fourth proportional to 224,222.49, 309,252.06 and 143,657.55 is: 198,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,222.49 : 309,252.06 = 143,657.55 : x
  2. Step 2: Convert to fraction form
    224,222.49/309,252.06 = 143,657.55/x
  3. Step 3: Cross multiply
    224,222.49x = 309,252.06 × 143,657.55
  4. Step 4: Simplify right side
    224,222.49x = 44,426,393,272.05
  5. Step 5: Solve for x
    x = 44,426,393,272.05/224,222.49
  6. Step 6: Final answer
    x = 198,135.31

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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.