Home / 144,987.44-200,069.24-81,312.96

Finding the Fourth Proportional to 144,987.44, 200,069.24 and 81,312.96

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Solution

The fourth proportional to 144,987.44, 200,069.24 and 81,312.96 is: 112,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,987.44 : 200,069.24 = 81,312.96 : x
  2. Step 2: Convert to fraction form
    144,987.44/200,069.24 = 81,312.96/x
  3. Step 3: Cross multiply
    144,987.44x = 200,069.24 × 81,312.96
  4. Step 4: Simplify right side
    144,987.44x = 16,268,222,109.35
  5. Step 5: Solve for x
    x = 16,268,222,109.35/144,987.44
  6. Step 6: Final answer
    x = 112,204.35

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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.