Home / 159,438.24-239,169.72-64,623.30

Finding the Fourth Proportional to 159,438.24, 239,169.72 and 64,623.30

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Solution

The fourth proportional to 159,438.24, 239,169.72 and 64,623.30 is: 96,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,438.24 : 239,169.72 = 64,623.30 : x
  2. Step 2: Convert to fraction form
    159,438.24/239,169.72 = 64,623.30/x
  3. Step 3: Cross multiply
    159,438.24x = 239,169.72 × 64,623.30
  4. Step 4: Simplify right side
    159,438.24x = 15,455,936,566.48
  5. Step 5: Solve for x
    x = 15,455,936,566.48/159,438.24
  6. Step 6: Final answer
    x = 96,939.96

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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.