Home / 124,775.86-172,187.94-68,187.64

Finding the Fourth Proportional to 124,775.86, 172,187.94 and 68,187.64

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Solution

The fourth proportional to 124,775.86, 172,187.94 and 68,187.64 is: 94,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,775.86 : 172,187.94 = 68,187.64 : x
  2. Step 2: Convert to fraction form
    124,775.86/172,187.94 = 68,187.64/x
  3. Step 3: Cross multiply
    124,775.86x = 172,187.94 × 68,187.64
  4. Step 4: Simplify right side
    124,775.86x = 11,741,089,265.06
  5. Step 5: Solve for x
    x = 11,741,089,265.06/124,775.86
  6. Step 6: Final answer
    x = 94,097.44

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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.