Home / 207,300.16-286,079.75-116,659.36

Finding the Fourth Proportional to 207,300.16, 286,079.75 and 116,659.36

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Solution

The fourth proportional to 207,300.16, 286,079.75 and 116,659.36 is: 160,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,300.16 : 286,079.75 = 116,659.36 : x
  2. Step 2: Convert to fraction form
    207,300.16/286,079.75 = 116,659.36/x
  3. Step 3: Cross multiply
    207,300.16x = 286,079.75 × 116,659.36
  4. Step 4: Simplify right side
    207,300.16x = 33,373,879,960.66
  5. Step 5: Solve for x
    x = 33,373,879,960.66/207,300.16
  6. Step 6: Final answer
    x = 160,993.03

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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.