Home / 190,145.96-285,499.26-106,070.36

Finding the Fourth Proportional to 190,145.96, 285,499.26 and 106,070.36

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Solution

The fourth proportional to 190,145.96, 285,499.26 and 106,070.36 is: 159,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,145.96 : 285,499.26 = 106,070.36 : x
  2. Step 2: Convert to fraction form
    190,145.96/285,499.26 = 106,070.36/x
  3. Step 3: Cross multiply
    190,145.96x = 285,499.26 × 106,070.36
  4. Step 4: Simplify right side
    190,145.96x = 30,283,009,287.93
  5. Step 5: Solve for x
    x = 30,283,009,287.93/190,145.96
  6. Step 6: Final answer
    x = 159,261.91

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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.