Home / 258,034.02-356,095.26-143,314.05

Finding the Fourth Proportional to 258,034.02, 356,095.26 and 143,314.05

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Solution

The fourth proportional to 258,034.02, 356,095.26 and 143,314.05 is: 197,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,034.02 : 356,095.26 = 143,314.05 : x
  2. Step 2: Convert to fraction form
    258,034.02/356,095.26 = 143,314.05/x
  3. Step 3: Cross multiply
    258,034.02x = 356,095.26 × 143,314.05
  4. Step 4: Simplify right side
    258,034.02x = 51,033,453,896.40
  5. Step 5: Solve for x
    x = 51,033,453,896.40/258,034.02
  6. Step 6: Final answer
    x = 197,778.01

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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.