Home / 143,880.63-215,840.63-49,085.36

Finding the Fourth Proportional to 143,880.63, 215,840.63 and 49,085.36

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Solution

The fourth proportional to 143,880.63, 215,840.63 and 49,085.36 is: 73,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,880.63 : 215,840.63 = 49,085.36 : x
  2. Step 2: Convert to fraction form
    143,880.63/215,840.63 = 49,085.36/x
  3. Step 3: Cross multiply
    143,880.63x = 215,840.63 × 49,085.36
  4. Step 4: Simplify right side
    143,880.63x = 10,594,614,879.09
  5. Step 5: Solve for x
    x = 10,594,614,879.09/143,880.63
  6. Step 6: Final answer
    x = 73,634.76

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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.