Home / 146,913.56-202,740-79,845.56

Finding the Fourth Proportional to 146,913.56, 202,740 and 79,845.56

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Solution

The fourth proportional to 146,913.56, 202,740 and 79,845.56 is: 110,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,913.56 : 202,740 = 79,845.56 : x
  2. Step 2: Convert to fraction form
    146,913.56/202,740 = 79,845.56/x
  3. Step 3: Cross multiply
    146,913.56x = 202,740 × 79,845.56
  4. Step 4: Simplify right side
    146,913.56x = 16,187,888,834.40
  5. Step 5: Solve for x
    x = 16,187,888,834.40/146,913.56
  6. Step 6: Final answer
    x = 110,186.49

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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.