Home / 159,335.20-238,768.08-89,236

Finding the Fourth Proportional to 159,335.20, 238,768.08 and 89,236

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Solution

The fourth proportional to 159,335.20, 238,768.08 and 89,236 is: 133,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,335.20 : 238,768.08 = 89,236 : x
  2. Step 2: Convert to fraction form
    159,335.20/238,768.08 = 89,236/x
  3. Step 3: Cross multiply
    159,335.20x = 238,768.08 × 89,236
  4. Step 4: Simplify right side
    159,335.20x = 21,306,708,386.88
  5. Step 5: Solve for x
    x = 21,306,708,386.88/159,335.20
  6. Step 6: Final answer
    x = 133,722.54

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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.