Home / 103,823.08-155,685.30-53,853.10

Finding the Fourth Proportional to 103,823.08, 155,685.30 and 53,853.10

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Solution

The fourth proportional to 103,823.08, 155,685.30 and 53,853.10 is: 80,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,823.08 : 155,685.30 = 53,853.10 : x
  2. Step 2: Convert to fraction form
    103,823.08/155,685.30 = 53,853.10/x
  3. Step 3: Cross multiply
    103,823.08x = 155,685.30 × 53,853.10
  4. Step 4: Simplify right side
    103,823.08x = 8,384,136,029.43
  5. Step 5: Solve for x
    x = 8,384,136,029.43/103,823.08
  6. Step 6: Final answer
    x = 80,754.07

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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.