Home / 207,520.73-286,329.40-116,858.65

Finding the Fourth Proportional to 207,520.73, 286,329.40 and 116,858.65

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Solution

The fourth proportional to 207,520.73, 286,329.40 and 116,858.65 is: 161,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,520.73 : 286,329.40 = 116,858.65 : x
  2. Step 2: Convert to fraction form
    207,520.73/286,329.40 = 116,858.65/x
  3. Step 3: Cross multiply
    207,520.73x = 286,329.40 × 116,858.65
  4. Step 4: Simplify right side
    207,520.73x = 33,460,066,668.21
  5. Step 5: Solve for x
    x = 33,460,066,668.21/207,520.73
  6. Step 6: Final answer
    x = 161,237.22

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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.