Home / 146,598.21-202,180.66-112,688.78

Finding the Fourth Proportional to 146,598.21, 202,180.66 and 112,688.78

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Solution

The fourth proportional to 146,598.21, 202,180.66 and 112,688.78 is: 155,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,598.21 : 202,180.66 = 112,688.78 : x
  2. Step 2: Convert to fraction form
    146,598.21/202,180.66 = 112,688.78/x
  3. Step 3: Cross multiply
    146,598.21x = 202,180.66 × 112,688.78
  4. Step 4: Simplify right side
    146,598.21x = 22,783,490,622.37
  5. Step 5: Solve for x
    x = 22,783,490,622.37/146,598.21
  6. Step 6: Final answer
    x = 155,414.52

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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.