Home / 115,344.30-173,016.45-53,136.30

Finding the Fourth Proportional to 115,344.30, 173,016.45 and 53,136.30

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Solution

The fourth proportional to 115,344.30, 173,016.45 and 53,136.30 is: 79,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,344.30 : 173,016.45 = 53,136.30 : x
  2. Step 2: Convert to fraction form
    115,344.30/173,016.45 = 53,136.30/x
  3. Step 3: Cross multiply
    115,344.30x = 173,016.45 × 53,136.30
  4. Step 4: Simplify right side
    115,344.30x = 9,193,453,992.14
  5. Step 5: Solve for x
    x = 9,193,453,992.14/115,344.30
  6. Step 6: Final answer
    x = 79,704.45

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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.