Home / 144,264.84-199,086.48-80,605.32

Finding the Fourth Proportional to 144,264.84, 199,086.48 and 80,605.32

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Solution

The fourth proportional to 144,264.84, 199,086.48 and 80,605.32 is: 111,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,264.84 : 199,086.48 = 80,605.32 : x
  2. Step 2: Convert to fraction form
    144,264.84/199,086.48 = 80,605.32/x
  3. Step 3: Cross multiply
    144,264.84x = 199,086.48 × 80,605.32
  4. Step 4: Simplify right side
    144,264.84x = 16,047,429,428.07
  5. Step 5: Solve for x
    x = 16,047,429,428.07/144,264.84
  6. Step 6: Final answer
    x = 111,235.90

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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.