Home / 186,743.26-280,072.23-53,622.46

Finding the Fourth Proportional to 186,743.26, 280,072.23 and 53,622.46

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Solution

The fourth proportional to 186,743.26, 280,072.23 and 53,622.46 is: 80,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,743.26 : 280,072.23 = 53,622.46 : x
  2. Step 2: Convert to fraction form
    186,743.26/280,072.23 = 53,622.46/x
  3. Step 3: Cross multiply
    186,743.26x = 280,072.23 × 53,622.46
  4. Step 4: Simplify right side
    186,743.26x = 15,018,161,950.29
  5. Step 5: Solve for x
    x = 15,018,161,950.29/186,743.26
  6. Step 6: Final answer
    x = 80,421.44

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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.