Home / 258,006.62-356,058.14-143,287.18

Finding the Fourth Proportional to 258,006.62, 356,058.14 and 143,287.18

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Solution

The fourth proportional to 258,006.62, 356,058.14 and 143,287.18 is: 197,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,006.62 : 356,058.14 = 143,287.18 : x
  2. Step 2: Convert to fraction form
    258,006.62/356,058.14 = 143,287.18/x
  3. Step 3: Cross multiply
    258,006.62x = 356,058.14 × 143,287.18
  4. Step 4: Simplify right side
    258,006.62x = 51,018,565,190.06
  5. Step 5: Solve for x
    x = 51,018,565,190.06/258,006.62
  6. Step 6: Final answer
    x = 197,741.30

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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.