Home / 190,027.28-262,233.52-103,985.88

Finding the Fourth Proportional to 190,027.28, 262,233.52 and 103,985.88

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Solution

The fourth proportional to 190,027.28, 262,233.52 and 103,985.88 is: 143,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,027.28 : 262,233.52 = 103,985.88 : x
  2. Step 2: Convert to fraction form
    190,027.28/262,233.52 = 103,985.88/x
  3. Step 3: Cross multiply
    190,027.28x = 262,233.52 × 103,985.88
  4. Step 4: Simplify right side
    190,027.28x = 27,268,583,342.70
  5. Step 5: Solve for x
    x = 27,268,583,342.70/190,027.28
  6. Step 6: Final answer
    x = 143,498.26

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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.