Home / 136,995.26-189,049.69-76,566.14

Finding the Fourth Proportional to 136,995.26, 189,049.69 and 76,566.14

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Solution

The fourth proportional to 136,995.26, 189,049.69 and 76,566.14 is: 105,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,995.26 : 189,049.69 = 76,566.14 : x
  2. Step 2: Convert to fraction form
    136,995.26/189,049.69 = 76,566.14/x
  3. Step 3: Cross multiply
    136,995.26x = 189,049.69 × 76,566.14
  4. Step 4: Simplify right side
    136,995.26x = 14,474,805,031.50
  5. Step 5: Solve for x
    x = 14,474,805,031.50/136,995.26
  6. Step 6: Final answer
    x = 105,659.17

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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.