Home / 105,270.80-145,273.46-57,524.04

Finding the Fourth Proportional to 105,270.80, 145,273.46 and 57,524.04

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Solution

The fourth proportional to 105,270.80, 145,273.46 and 57,524.04 is: 79,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,270.80 : 145,273.46 = 57,524.04 : x
  2. Step 2: Convert to fraction form
    105,270.80/145,273.46 = 57,524.04/x
  3. Step 3: Cross multiply
    105,270.80x = 145,273.46 × 57,524.04
  4. Step 4: Simplify right side
    105,270.80x = 8,356,716,036.36
  5. Step 5: Solve for x
    x = 8,356,716,036.36/105,270.80
  6. Step 6: Final answer
    x = 79,383.04

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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.