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Finding the Fourth Proportional to 160,044.81, 239,987.23 and 53,391.64

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Solution

The fourth proportional to 160,044.81, 239,987.23 and 53,391.64 is: 80,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,044.81 : 239,987.23 = 53,391.64 : x
  2. Step 2: Convert to fraction form
    160,044.81/239,987.23 = 53,391.64/x
  3. Step 3: Cross multiply
    160,044.81x = 239,987.23 × 53,391.64
  4. Step 4: Simplify right side
    160,044.81x = 12,813,311,788.76
  5. Step 5: Solve for x
    x = 12,813,311,788.76/160,044.81
  6. Step 6: Final answer
    x = 80,060.78

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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.