Home / 86,975.20-130,455.51-27,794.98

Finding the Fourth Proportional to 86,975.20, 130,455.51 and 27,794.98

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Solution

The fourth proportional to 86,975.20, 130,455.51 and 27,794.98 is: 41,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975.20 : 130,455.51 = 27,794.98 : x
  2. Step 2: Convert to fraction form
    86,975.20/130,455.51 = 27,794.98/x
  3. Step 3: Cross multiply
    86,975.20x = 130,455.51 × 27,794.98
  4. Step 4: Simplify right side
    86,975.20x = 3,626,008,291.34
  5. Step 5: Solve for x
    x = 3,626,008,291.34/86,975.20
  6. Step 6: Final answer
    x = 41,690.14

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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.