Home / 147,087.36-202,981.44-80,019.84

Finding the Fourth Proportional to 147,087.36, 202,981.44 and 80,019.84

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Solution

The fourth proportional to 147,087.36, 202,981.44 and 80,019.84 is: 110,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.36 : 202,981.44 = 80,019.84 : x
  2. Step 2: Convert to fraction form
    147,087.36/202,981.44 = 80,019.84/x
  3. Step 3: Cross multiply
    147,087.36x = 202,981.44 × 80,019.84
  4. Step 4: Simplify right side
    147,087.36x = 16,242,542,351.77
  5. Step 5: Solve for x
    x = 16,242,542,351.77/147,087.36
  6. Step 6: Final answer
    x = 110,427.86

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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.