Home / 207,976.04-287,007-117,351.22

Finding the Fourth Proportional to 207,976.04, 287,007 and 117,351.22

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Solution

The fourth proportional to 207,976.04, 287,007 and 117,351.22 is: 161,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,976.04 : 287,007 = 117,351.22 : x
  2. Step 2: Convert to fraction form
    207,976.04/287,007 = 117,351.22/x
  3. Step 3: Cross multiply
    207,976.04x = 287,007 × 117,351.22
  4. Step 4: Simplify right side
    207,976.04x = 33,680,621,598.54
  5. Step 5: Solve for x
    x = 33,680,621,598.54/207,976.04
  6. Step 6: Final answer
    x = 161,944.72

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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.