Home / 209,291.04-314,076.15-76,171.26

Finding the Fourth Proportional to 209,291.04, 314,076.15 and 76,171.26

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Solution

The fourth proportional to 209,291.04, 314,076.15 and 76,171.26 is: 114,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,291.04 : 314,076.15 = 76,171.26 : x
  2. Step 2: Convert to fraction form
    209,291.04/314,076.15 = 76,171.26/x
  3. Step 3: Cross multiply
    209,291.04x = 314,076.15 × 76,171.26
  4. Step 4: Simplify right side
    209,291.04x = 23,923,576,081.45
  5. Step 5: Solve for x
    x = 23,923,576,081.45/209,291.04
  6. Step 6: Final answer
    x = 114,307.69

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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.