Home / 158,872.22-219,242.81-86,274.48

Finding the Fourth Proportional to 158,872.22, 219,242.81 and 86,274.48

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Solution

The fourth proportional to 158,872.22, 219,242.81 and 86,274.48 is: 119,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,872.22 : 219,242.81 = 86,274.48 : x
  2. Step 2: Convert to fraction form
    158,872.22/219,242.81 = 86,274.48/x
  3. Step 3: Cross multiply
    158,872.22x = 219,242.81 × 86,274.48
  4. Step 4: Simplify right side
    158,872.22x = 18,915,060,464.34
  5. Step 5: Solve for x
    x = 18,915,060,464.34/158,872.22
  6. Step 6: Final answer
    x = 119,058.33

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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.