Home / 133,821.30-184,659.98-77,250.90

Finding the Fourth Proportional to 133,821.30, 184,659.98 and 77,250.90

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Solution

The fourth proportional to 133,821.30, 184,659.98 and 77,250.90 is: 106,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821.30 : 184,659.98 = 77,250.90 : x
  2. Step 2: Convert to fraction form
    133,821.30/184,659.98 = 77,250.90/x
  3. Step 3: Cross multiply
    133,821.30x = 184,659.98 × 77,250.90
  4. Step 4: Simplify right side
    133,821.30x = 14,265,149,648.98
  5. Step 5: Solve for x
    x = 14,265,149,648.98/133,821.30
  6. Step 6: Final answer
    x = 106,598.50

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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.