Home / 190,577.28-262,910.40-118,974.96

Finding the Fourth Proportional to 190,577.28, 262,910.40 and 118,974.96

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Solution

The fourth proportional to 190,577.28, 262,910.40 and 118,974.96 is: 164,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,577.28 : 262,910.40 = 118,974.96 : x
  2. Step 2: Convert to fraction form
    190,577.28/262,910.40 = 118,974.96/x
  3. Step 3: Cross multiply
    190,577.28x = 262,910.40 × 118,974.96
  4. Step 4: Simplify right side
    190,577.28x = 31,279,754,323.58
  5. Step 5: Solve for x
    x = 31,279,754,323.58/190,577.28
  6. Step 6: Final answer
    x = 164,131.60

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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.