Home / 86,919.03-130,213.04-49,504.93

Finding the Fourth Proportional to 86,919.03, 130,213.04 and 49,504.93

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Solution

The fourth proportional to 86,919.03, 130,213.04 and 49,504.93 is: 74,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,919.03 : 130,213.04 = 49,504.93 : x
  2. Step 2: Convert to fraction form
    86,919.03/130,213.04 = 49,504.93/x
  3. Step 3: Cross multiply
    86,919.03x = 130,213.04 × 49,504.93
  4. Step 4: Simplify right side
    86,919.03x = 6,446,186,857.23
  5. Step 5: Solve for x
    x = 6,446,186,857.23/86,919.03
  6. Step 6: Final answer
    x = 74,163.12

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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.