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Finding the Fourth Proportional to 133,365.12, 184,065.12 and 76,773.12

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Solution

The fourth proportional to 133,365.12, 184,065.12 and 76,773.12 is: 105,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,365.12 : 184,065.12 = 76,773.12 : x
  2. Step 2: Convert to fraction form
    133,365.12/184,065.12 = 76,773.12/x
  3. Step 3: Cross multiply
    133,365.12x = 184,065.12 × 76,773.12
  4. Step 4: Simplify right side
    133,365.12x = 14,131,253,545.57
  5. Step 5: Solve for x
    x = 14,131,253,545.57/133,365.12
  6. Step 6: Final answer
    x = 105,959.14

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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.