Home / 258,023.66-356,060.83-143,309.64

Finding the Fourth Proportional to 258,023.66, 356,060.83 and 143,309.64

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Solution

The fourth proportional to 258,023.66, 356,060.83 and 143,309.64 is: 197,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,023.66 : 356,060.83 = 143,309.64 : x
  2. Step 2: Convert to fraction form
    258,023.66/356,060.83 = 143,309.64/x
  3. Step 3: Cross multiply
    258,023.66x = 356,060.83 × 143,309.64
  4. Step 4: Simplify right side
    258,023.66x = 51,026,949,365.40
  5. Step 5: Solve for x
    x = 51,026,949,365.40/258,023.66
  6. Step 6: Final answer
    x = 197,760.74

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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.