Home / 133,087.88-183,698.34-76,517.48

Finding the Fourth Proportional to 133,087.88, 183,698.34 and 76,517.48

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Solution

The fourth proportional to 133,087.88, 183,698.34 and 76,517.48 is: 105,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,087.88 : 183,698.34 = 76,517.48 : x
  2. Step 2: Convert to fraction form
    133,087.88/183,698.34 = 76,517.48/x
  3. Step 3: Cross multiply
    133,087.88x = 183,698.34 × 76,517.48
  4. Step 4: Simplify right side
    133,087.88x = 14,056,134,056.98
  5. Step 5: Solve for x
    x = 14,056,134,056.98/133,087.88
  6. Step 6: Final answer
    x = 105,615.43

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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.