Home / 143,986.47-216,021.16-44,161.31

Finding the Fourth Proportional to 143,986.47, 216,021.16 and 44,161.31

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Solution

The fourth proportional to 143,986.47, 216,021.16 and 44,161.31 is: 66,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,986.47 : 216,021.16 = 44,161.31 : x
  2. Step 2: Convert to fraction form
    143,986.47/216,021.16 = 44,161.31/x
  3. Step 3: Cross multiply
    143,986.47x = 216,021.16 × 44,161.31
  4. Step 4: Simplify right side
    143,986.47x = 9,539,776,333.21
  5. Step 5: Solve for x
    x = 9,539,776,333.21/143,986.47
  6. Step 6: Final answer
    x = 66,254.67

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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.