Home / 159,226.40-238,809.88-64,431.76

Finding the Fourth Proportional to 159,226.40, 238,809.88 and 64,431.76

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Solution

The fourth proportional to 159,226.40, 238,809.88 and 64,431.76 is: 96,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,226.40 : 238,809.88 = 64,431.76 : x
  2. Step 2: Convert to fraction form
    159,226.40/238,809.88 = 64,431.76/x
  3. Step 3: Cross multiply
    159,226.40x = 238,809.88 × 64,431.76
  4. Step 4: Simplify right side
    159,226.40x = 15,386,940,873.79
  5. Step 5: Solve for x
    x = 15,386,940,873.79/159,226.40
  6. Step 6: Final answer
    x = 96,635.61

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1.5x scale

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.