Home / 190,005.37-285,007.77-76,204.51

Finding the Fourth Proportional to 190,005.37, 285,007.77 and 76,204.51

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Solution

The fourth proportional to 190,005.37, 285,007.77 and 76,204.51 is: 114,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,005.37 : 285,007.77 = 76,204.51 : x
  2. Step 2: Convert to fraction form
    190,005.37/285,007.77 = 76,204.51/x
  3. Step 3: Cross multiply
    190,005.37x = 285,007.77 × 76,204.51
  4. Step 4: Simplify right side
    190,005.37x = 21,718,877,459.04
  5. Step 5: Solve for x
    x = 21,718,877,459.04/190,005.37
  6. Step 6: Final answer
    x = 114,306.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.