Home / 124,846.75-172,288.53-80,212.51

Finding the Fourth Proportional to 124,846.75, 172,288.53 and 80,212.51

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Solution

The fourth proportional to 124,846.75, 172,288.53 and 80,212.51 is: 110,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,846.75 : 172,288.53 = 80,212.51 : x
  2. Step 2: Convert to fraction form
    124,846.75/172,288.53 = 80,212.51/x
  3. Step 3: Cross multiply
    124,846.75x = 172,288.53 × 80,212.51
  4. Step 4: Simplify right side
    124,846.75x = 13,819,695,435.51
  5. Step 5: Solve for x
    x = 13,819,695,435.51/124,846.75
  6. Step 6: Final answer
    x = 110,693.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.