Home / 86,803.36-130,161.96-27,631.34

Finding the Fourth Proportional to 86,803.36, 130,161.96 and 27,631.34

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Solution

The fourth proportional to 86,803.36, 130,161.96 and 27,631.34 is: 41,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803.36 : 130,161.96 = 27,631.34 : x
  2. Step 2: Convert to fraction form
    86,803.36/130,161.96 = 27,631.34/x
  3. Step 3: Cross multiply
    86,803.36x = 130,161.96 × 27,631.34
  4. Step 4: Simplify right side
    86,803.36x = 3,596,548,824.63
  5. Step 5: Solve for x
    x = 3,596,548,824.63/86,803.36
  6. Step 6: Final answer
    x = 41,433.29

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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.