Home / 259,174.60-388,627.50-118,812.36

Finding the Fourth Proportional to 259,174.60, 388,627.50 and 118,812.36

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Solution

The fourth proportional to 259,174.60, 388,627.50 and 118,812.36 is: 178,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,174.60 : 388,627.50 = 118,812.36 : x
  2. Step 2: Convert to fraction form
    259,174.60/388,627.50 = 118,812.36/x
  3. Step 3: Cross multiply
    259,174.60x = 388,627.50 × 118,812.36
  4. Step 4: Simplify right side
    259,174.60x = 46,173,750,435.90
  5. Step 5: Solve for x
    x = 46,173,750,435.90/259,174.60
  6. Step 6: Final answer
    x = 178,156.93

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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.