Home / 207,975.09-287,004.96-112,481.76

Finding the Fourth Proportional to 207,975.09, 287,004.96 and 112,481.76

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Solution

The fourth proportional to 207,975.09, 287,004.96 and 112,481.76 is: 155,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,975.09 : 287,004.96 = 112,481.76 : x
  2. Step 2: Convert to fraction form
    207,975.09/287,004.96 = 112,481.76/x
  3. Step 3: Cross multiply
    207,975.09x = 287,004.96 × 112,481.76
  4. Step 4: Simplify right side
    207,975.09x = 32,282,823,029.53
  5. Step 5: Solve for x
    x = 32,282,823,029.53/207,975.09
  6. Step 6: Final answer
    x = 155,224.47

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1.5x scale

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.