Home / 124,807.41-172,234.32-68,218.79

Finding the Fourth Proportional to 124,807.41, 172,234.32 and 68,218.79

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Solution

The fourth proportional to 124,807.41, 172,234.32 and 68,218.79 is: 94,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,807.41 : 172,234.32 = 68,218.79 : x
  2. Step 2: Convert to fraction form
    124,807.41/172,234.32 = 68,218.79/x
  3. Step 3: Cross multiply
    124,807.41x = 172,234.32 × 68,218.79
  4. Step 4: Simplify right side
    124,807.41x = 11,749,616,906.87
  5. Step 5: Solve for x
    x = 11,749,616,906.87/124,807.41
  6. Step 6: Final answer
    x = 94,141.98

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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.