Home / 144,696.54-217,042.76-87,784

Finding the Fourth Proportional to 144,696.54, 217,042.76 and 87,784

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Solution

The fourth proportional to 144,696.54, 217,042.76 and 87,784 is: 131,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,696.54 : 217,042.76 = 87,784 : x
  2. Step 2: Convert to fraction form
    144,696.54/217,042.76 = 87,784/x
  3. Step 3: Cross multiply
    144,696.54x = 217,042.76 × 87,784
  4. Step 4: Simplify right side
    144,696.54x = 19,052,881,643.84
  5. Step 5: Solve for x
    x = 19,052,881,643.84/144,696.54
  6. Step 6: Final answer
    x = 131,674.76

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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.