Home / 135,296.16-186,696-91,599.84

Finding the Fourth Proportional to 135,296.16, 186,696 and 91,599.84

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Solution

The fourth proportional to 135,296.16, 186,696 and 91,599.84 is: 126,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,296.16 : 186,696 = 91,599.84 : x
  2. Step 2: Convert to fraction form
    135,296.16/186,696 = 91,599.84/x
  3. Step 3: Cross multiply
    135,296.16x = 186,696 × 91,599.84
  4. Step 4: Simplify right side
    135,296.16x = 17,101,323,728.64
  5. Step 5: Solve for x
    x = 17,101,323,728.64/135,296.16
  6. Step 6: Final answer
    x = 126,399.18

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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.