Home / 207,399.16-286,232.34-126,880.30

Finding the Fourth Proportional to 207,399.16, 286,232.34 and 126,880.30

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Solution

The fourth proportional to 207,399.16, 286,232.34 and 126,880.30 is: 175,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,399.16 : 286,232.34 = 126,880.30 : x
  2. Step 2: Convert to fraction form
    207,399.16/286,232.34 = 126,880.30/x
  3. Step 3: Cross multiply
    207,399.16x = 286,232.34 × 126,880.30
  4. Step 4: Simplify right side
    207,399.16x = 36,317,245,168.90
  5. Step 5: Solve for x
    x = 36,317,245,168.90/207,399.16
  6. Step 6: Final answer
    x = 175,107.97

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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.