Home / 148,830.22-205,241.07-113,021.74

Finding the Fourth Proportional to 148,830.22, 205,241.07 and 113,021.74

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Solution

The fourth proportional to 148,830.22, 205,241.07 and 113,021.74 is: 155,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,830.22 : 205,241.07 = 113,021.74 : x
  2. Step 2: Convert to fraction form
    148,830.22/205,241.07 = 113,021.74/x
  3. Step 3: Cross multiply
    148,830.22x = 205,241.07 × 113,021.74
  4. Step 4: Simplify right side
    148,830.22x = 23,196,702,850.86
  5. Step 5: Solve for x
    x = 23,196,702,850.86/148,830.22
  6. Step 6: Final answer
    x = 155,860.17

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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.