Home / 131,087.55-196,828.26-74,991

Finding the Fourth Proportional to 131,087.55, 196,828.26 and 74,991

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Solution

The fourth proportional to 131,087.55, 196,828.26 and 74,991 is: 112,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,087.55 : 196,828.26 = 74,991 : x
  2. Step 2: Convert to fraction form
    131,087.55/196,828.26 = 74,991/x
  3. Step 3: Cross multiply
    131,087.55x = 196,828.26 × 74,991
  4. Step 4: Simplify right side
    131,087.55x = 14,760,348,045.66
  5. Step 5: Solve for x
    x = 14,760,348,045.66/131,087.55
  6. Step 6: Final answer
    x = 112,599.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.