Home / 258,013.21-356,070.06-143,292.38

Finding the Fourth Proportional to 258,013.21, 356,070.06 and 143,292.38

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Solution

The fourth proportional to 258,013.21, 356,070.06 and 143,292.38 is: 197,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,013.21 : 356,070.06 = 143,292.38 : x
  2. Step 2: Convert to fraction form
    258,013.21/356,070.06 = 143,292.38/x
  3. Step 3: Cross multiply
    258,013.21x = 356,070.06 × 143,292.38
  4. Step 4: Simplify right side
    258,013.21x = 51,022,127,771.66
  5. Step 5: Solve for x
    x = 51,022,127,771.66/258,013.21
  6. Step 6: Final answer
    x = 197,750.06

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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.