Home / 105,270.70-145,273.93-57,524.05

Finding the Fourth Proportional to 105,270.70, 145,273.93 and 57,524.05

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Solution

The fourth proportional to 105,270.70, 145,273.93 and 57,524.05 is: 79,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,270.70 : 145,273.93 = 57,524.05 : x
  2. Step 2: Convert to fraction form
    105,270.70/145,273.93 = 57,524.05/x
  3. Step 3: Cross multiply
    105,270.70x = 145,273.93 × 57,524.05
  4. Step 4: Simplify right side
    105,270.70x = 8,356,744,086.65
  5. Step 5: Solve for x
    x = 8,356,744,086.65/105,270.70
  6. Step 6: Final answer
    x = 79,383.38

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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.