Home / 115,239.35-172,746.00-55,250.80

Finding the Fourth Proportional to 115,239.35, 172,746.00 and 55,250.80

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Solution

The fourth proportional to 115,239.35, 172,746.00 and 55,250.80 is: 82,822.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,239.35 : 172,746.00 = 55,250.80 : x
  2. Step 2: Convert to fraction form
    115,239.35/172,746.00 = 55,250.80/x
  3. Step 3: Cross multiply
    115,239.35x = 172,746.00 × 55,250.80
  4. Step 4: Simplify right side
    115,239.35x = 9,544,354,255.10
  5. Step 5: Solve for x
    x = 9,544,354,255.10/115,239.35
  6. Step 6: Final answer
    x = 82,822.01

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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.