Home / 224,190.45-309,350.75-139,276.53

Finding the Fourth Proportional to 224,190.45, 309,350.75 and 139,276.53

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Solution

The fourth proportional to 224,190.45, 309,350.75 and 139,276.53 is: 192,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,190.45 : 309,350.75 = 139,276.53 : x
  2. Step 2: Convert to fraction form
    224,190.45/309,350.75 = 139,276.53/x
  3. Step 3: Cross multiply
    224,190.45x = 309,350.75 × 139,276.53
  4. Step 4: Simplify right side
    224,190.45x = 43,085,298,316.51
  5. Step 5: Solve for x
    x = 43,085,298,316.51/224,190.45
  6. Step 6: Final answer
    x = 192,181.68

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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.