Home / 146,977.88-202,866.20-90,356.45

Finding the Fourth Proportional to 146,977.88, 202,866.20 and 90,356.45

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Solution

The fourth proportional to 146,977.88, 202,866.20 and 90,356.45 is: 124,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,977.88 : 202,866.20 = 90,356.45 : x
  2. Step 2: Convert to fraction form
    146,977.88/202,866.20 = 90,356.45/x
  3. Step 3: Cross multiply
    146,977.88x = 202,866.20 × 90,356.45
  4. Step 4: Simplify right side
    146,977.88x = 18,330,268,190.88
  5. Step 5: Solve for x
    x = 18,330,268,190.88/146,977.88
  6. Step 6: Final answer
    x = 124,714.47

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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.