Home / 133,440.90-184,103.73-76,851.06

Finding the Fourth Proportional to 133,440.90, 184,103.73 and 76,851.06

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Solution

The fourth proportional to 133,440.90, 184,103.73 and 76,851.06 is: 106,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,440.90 : 184,103.73 = 76,851.06 : x
  2. Step 2: Convert to fraction form
    133,440.90/184,103.73 = 76,851.06/x
  3. Step 3: Cross multiply
    133,440.90x = 184,103.73 × 76,851.06
  4. Step 4: Simplify right side
    133,440.90x = 14,148,566,800.45
  5. Step 5: Solve for x
    x = 14,148,566,800.45/133,440.90
  6. Step 6: Final answer
    x = 106,028.71

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1.5x scale

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.