Home / 243,973.05-365,868.54-84,003.78

Finding the Fourth Proportional to 243,973.05, 365,868.54 and 84,003.78

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Solution

The fourth proportional to 243,973.05, 365,868.54 and 84,003.78 is: 125,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,973.05 : 365,868.54 = 84,003.78 : x
  2. Step 2: Convert to fraction form
    243,973.05/365,868.54 = 84,003.78/x
  3. Step 3: Cross multiply
    243,973.05x = 365,868.54 × 84,003.78
  4. Step 4: Simplify right side
    243,973.05x = 30,734,340,343.08
  5. Step 5: Solve for x
    x = 30,734,340,343.08/243,973.05
  6. Step 6: Final answer
    x = 125,974.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.