Home / 190,327.10-285,468.39-76,470.29

Finding the Fourth Proportional to 190,327.10, 285,468.39 and 76,470.29

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Solution

The fourth proportional to 190,327.10, 285,468.39 and 76,470.29 is: 114,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,327.10 : 285,468.39 = 76,470.29 : x
  2. Step 2: Convert to fraction form
    190,327.10/285,468.39 = 76,470.29/x
  3. Step 3: Cross multiply
    190,327.10x = 285,468.39 × 76,470.29
  4. Step 4: Simplify right side
    190,327.10x = 21,829,850,569.13
  5. Step 5: Solve for x
    x = 21,829,850,569.13/190,327.10
  6. Step 6: Final answer
    x = 114,696.49

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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.