Home / 224,192.45-309,353.50-139,278.53

Finding the Fourth Proportional to 224,192.45, 309,353.50 and 139,278.53

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Solution

The fourth proportional to 224,192.45, 309,353.50 and 139,278.53 is: 192,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,192.45 : 309,353.50 = 139,278.53 : x
  2. Step 2: Convert to fraction form
    224,192.45/309,353.50 = 139,278.53/x
  3. Step 3: Cross multiply
    224,192.45x = 309,353.50 × 139,278.53
  4. Step 4: Simplify right side
    224,192.45x = 43,086,300,730.36
  5. Step 5: Solve for x
    x = 43,086,300,730.36/224,192.45
  6. Step 6: Final answer
    x = 192,184.44

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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.