Home / 159,143.09-238,744.13-52,534.46

Finding the Fourth Proportional to 159,143.09, 238,744.13 and 52,534.46

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Solution

The fourth proportional to 159,143.09, 238,744.13 and 52,534.46 is: 78,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,143.09 : 238,744.13 = 52,534.46 : x
  2. Step 2: Convert to fraction form
    159,143.09/238,744.13 = 52,534.46/x
  3. Step 3: Cross multiply
    159,143.09x = 238,744.13 × 52,534.46
  4. Step 4: Simplify right side
    159,143.09x = 12,542,294,281.91
  5. Step 5: Solve for x
    x = 12,542,294,281.91/159,143.09
  6. Step 6: Final answer
    x = 78,811.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.