Home / 258,392.52-356,575.08-143,665.26

Finding the Fourth Proportional to 258,392.52, 356,575.08 and 143,665.26

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Solution

The fourth proportional to 258,392.52, 356,575.08 and 143,665.26 is: 198,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,392.52 : 356,575.08 = 143,665.26 : x
  2. Step 2: Convert to fraction form
    258,392.52/356,575.08 = 143,665.26/x
  3. Step 3: Cross multiply
    258,392.52x = 356,575.08 × 143,665.26
  4. Step 4: Simplify right side
    258,392.52x = 51,227,451,577.72
  5. Step 5: Solve for x
    x = 51,227,451,577.72/258,392.52
  6. Step 6: Final answer
    x = 198,254.39

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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.