Home / 190,381.58-262,726.62-104,343.98

Finding the Fourth Proportional to 190,381.58, 262,726.62 and 104,343.98

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Solution

The fourth proportional to 190,381.58, 262,726.62 and 104,343.98 is: 143,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,381.58 : 262,726.62 = 104,343.98 : x
  2. Step 2: Convert to fraction form
    190,381.58/262,726.62 = 104,343.98/x
  3. Step 3: Cross multiply
    190,381.58x = 262,726.62 × 104,343.98
  4. Step 4: Simplify right side
    190,381.58x = 27,413,941,182.75
  5. Step 5: Solve for x
    x = 27,413,941,182.75/190,381.58
  6. Step 6: Final answer
    x = 143,994.71

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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.