Home / 259,214.16-388,258.62-125,814.06

Finding the Fourth Proportional to 259,214.16, 388,258.62 and 125,814.06

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Solution

The fourth proportional to 259,214.16, 388,258.62 and 125,814.06 is: 188,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,214.16 : 388,258.62 = 125,814.06 : x
  2. Step 2: Convert to fraction form
    259,214.16/388,258.62 = 125,814.06/x
  3. Step 3: Cross multiply
    259,214.16x = 388,258.62 × 125,814.06
  4. Step 4: Simplify right side
    259,214.16x = 48,848,393,312.20
  5. Step 5: Solve for x
    x = 48,848,393,312.20/259,214.16
  6. Step 6: Final answer
    x = 188,448.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.