Home / 190,346.48-285,409.04-72,026.96

Finding the Fourth Proportional to 190,346.48, 285,409.04 and 72,026.96

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Solution

The fourth proportional to 190,346.48, 285,409.04 and 72,026.96 is: 107,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,346.48 : 285,409.04 = 72,026.96 : x
  2. Step 2: Convert to fraction form
    190,346.48/285,409.04 = 72,026.96/x
  3. Step 3: Cross multiply
    190,346.48x = 285,409.04 × 72,026.96
  4. Step 4: Simplify right side
    190,346.48x = 20,557,145,507.72
  5. Step 5: Solve for x
    x = 20,557,145,507.72/190,346.48
  6. Step 6: Final answer
    x = 107,998.56

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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.