Home / 133,462.89-184,189.73-76,120.25

Finding the Fourth Proportional to 133,462.89, 184,189.73 and 76,120.25

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Solution

The fourth proportional to 133,462.89, 184,189.73 and 76,120.25 is: 105,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,462.89 : 184,189.73 = 76,120.25 : x
  2. Step 2: Convert to fraction form
    133,462.89/184,189.73 = 76,120.25/x
  3. Step 3: Cross multiply
    133,462.89x = 184,189.73 × 76,120.25
  4. Step 4: Simplify right side
    133,462.89x = 14,020,566,993.48
  5. Step 5: Solve for x
    x = 14,020,566,993.48/133,462.89
  6. Step 6: Final answer
    x = 105,052.18

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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.