Home / 105,524.05-145,623.24-57,777.37

Finding the Fourth Proportional to 105,524.05, 145,623.24 and 57,777.37

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Solution

The fourth proportional to 105,524.05, 145,623.24 and 57,777.37 is: 79,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,524.05 : 145,623.24 = 57,777.37 : x
  2. Step 2: Convert to fraction form
    105,524.05/145,623.24 = 57,777.37/x
  3. Step 3: Cross multiply
    105,524.05x = 145,623.24 × 57,777.37
  4. Step 4: Simplify right side
    105,524.05x = 8,413,727,818.08
  5. Step 5: Solve for x
    x = 8,413,727,818.08/105,524.05
  6. Step 6: Final answer
    x = 79,732.80

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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.