Home / 144,968.85-200,054.57-81,305.28

Finding the Fourth Proportional to 144,968.85, 200,054.57 and 81,305.28

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Solution

The fourth proportional to 144,968.85, 200,054.57 and 81,305.28 is: 112,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,968.85 : 200,054.57 = 81,305.28 : x
  2. Step 2: Convert to fraction form
    144,968.85/200,054.57 = 81,305.28/x
  3. Step 3: Cross multiply
    144,968.85x = 200,054.57 × 81,305.28
  4. Step 4: Simplify right side
    144,968.85x = 16,265,492,422.60
  5. Step 5: Solve for x
    x = 16,265,492,422.60/144,968.85
  6. Step 6: Final answer
    x = 112,199.91

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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.