Home / 115,120.33-172,788.48-70,833.58

Finding the Fourth Proportional to 115,120.33, 172,788.48 and 70,833.58

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Solution

The fourth proportional to 115,120.33, 172,788.48 and 70,833.58 is: 106,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,120.33 : 172,788.48 = 70,833.58 : x
  2. Step 2: Convert to fraction form
    115,120.33/172,788.48 = 70,833.58/x
  3. Step 3: Cross multiply
    115,120.33x = 172,788.48 × 70,833.58
  4. Step 4: Simplify right side
    115,120.33x = 12,239,226,189.19
  5. Step 5: Solve for x
    x = 12,239,226,189.19/115,120.33
  6. Step 6: Final answer
    x = 106,316.81

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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.