Home / 86,202.08-129,288.48-23,858

Finding the Fourth Proportional to 86,202.08, 129,288.48 and 23,858

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Solution

The fourth proportional to 86,202.08, 129,288.48 and 23,858 is: 35,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,202.08 : 129,288.48 = 23,858 : x
  2. Step 2: Convert to fraction form
    86,202.08/129,288.48 = 23,858/x
  3. Step 3: Cross multiply
    86,202.08x = 129,288.48 × 23,858
  4. Step 4: Simplify right side
    86,202.08x = 3,084,564,555.84
  5. Step 5: Solve for x
    x = 3,084,564,555.84/86,202.08
  6. Step 6: Final answer
    x = 35,782.95

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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.