Home / 207,947.38-287,045.14-161,916.02

Finding the Fourth Proportional to 207,947.38, 287,045.14 and 161,916.02

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Solution

The fourth proportional to 207,947.38, 287,045.14 and 161,916.02 is: 223,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,947.38 : 287,045.14 = 161,916.02 : x
  2. Step 2: Convert to fraction form
    207,947.38/287,045.14 = 161,916.02/x
  3. Step 3: Cross multiply
    207,947.38x = 287,045.14 × 161,916.02
  4. Step 4: Simplify right side
    207,947.38x = 46,477,206,629.14
  5. Step 5: Solve for x
    x = 46,477,206,629.14/207,947.38
  6. Step 6: Final answer
    x = 223,504.65

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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.