Home / 114,890-158,548.20-64,589.36

Finding the Fourth Proportional to 114,890, 158,548.20 and 64,589.36

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Solution

The fourth proportional to 114,890, 158,548.20 and 64,589.36 is: 89,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,890 : 158,548.20 = 64,589.36 : x
  2. Step 2: Convert to fraction form
    114,890/158,548.20 = 64,589.36/x
  3. Step 3: Cross multiply
    114,890x = 158,548.20 × 64,589.36
  4. Step 4: Simplify right side
    114,890x = 10,240,526,767.15
  5. Step 5: Solve for x
    x = 10,240,526,767.15/114,890
  6. Step 6: Final answer
    x = 89,133.32

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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.