Home / 259,101.32-388,703.82-92,902.28

Finding the Fourth Proportional to 259,101.32, 388,703.82 and 92,902.28

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Solution

The fourth proportional to 259,101.32, 388,703.82 and 92,902.28 is: 139,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,101.32 : 388,703.82 = 92,902.28 : x
  2. Step 2: Convert to fraction form
    259,101.32/388,703.82 = 92,902.28/x
  3. Step 3: Cross multiply
    259,101.32x = 388,703.82 × 92,902.28
  4. Step 4: Simplify right side
    259,101.32x = 36,111,471,122.71
  5. Step 5: Solve for x
    x = 36,111,471,122.71/259,101.32
  6. Step 6: Final answer
    x = 139,372.01

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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.