Home / 282,081.26-423,191.91-139,993.22

Finding the Fourth Proportional to 282,081.26, 423,191.91 and 139,993.22

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Solution

The fourth proportional to 282,081.26, 423,191.91 and 139,993.22 is: 210,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,081.26 : 423,191.91 = 139,993.22 : x
  2. Step 2: Convert to fraction form
    282,081.26/423,191.91 = 139,993.22/x
  3. Step 3: Cross multiply
    282,081.26x = 423,191.91 × 139,993.22
  4. Step 4: Simplify right side
    282,081.26x = 59,243,996,042.89
  5. Step 5: Solve for x
    x = 59,243,996,042.89/282,081.26
  6. Step 6: Final answer
    x = 210,024.58

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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.