Home / 144,971.93-200,071.23-81,313.82

Finding the Fourth Proportional to 144,971.93, 200,071.23 and 81,313.82

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Solution

The fourth proportional to 144,971.93, 200,071.23 and 81,313.82 is: 112,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,971.93 : 200,071.23 = 81,313.82 : x
  2. Step 2: Convert to fraction form
    144,971.93/200,071.23 = 81,313.82/x
  3. Step 3: Cross multiply
    144,971.93x = 200,071.23 × 81,313.82
  4. Step 4: Simplify right side
    144,971.93x = 16,268,555,983.40
  5. Step 5: Solve for x
    x = 16,268,555,983.40/144,971.93
  6. Step 6: Final answer
    x = 112,218.66

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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.