Home / 133,311.36-184,010.64-76,760.40

Finding the Fourth Proportional to 133,311.36, 184,010.64 and 76,760.40

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Solution

The fourth proportional to 133,311.36, 184,010.64 and 76,760.40 is: 105,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,311.36 : 184,010.64 = 76,760.40 : x
  2. Step 2: Convert to fraction form
    133,311.36/184,010.64 = 76,760.40/x
  3. Step 3: Cross multiply
    133,311.36x = 184,010.64 × 76,760.40
  4. Step 4: Simplify right side
    133,311.36x = 14,124,730,330.66
  5. Step 5: Solve for x
    x = 14,124,730,330.66/133,311.36
  6. Step 6: Final answer
    x = 105,952.94

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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.