Home / 143,140.08-213,746.22-116,896.88

Finding the Fourth Proportional to 143,140.08, 213,746.22 and 116,896.88

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Solution

The fourth proportional to 143,140.08, 213,746.22 and 116,896.88 is: 174,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,140.08 : 213,746.22 = 116,896.88 : x
  2. Step 2: Convert to fraction form
    143,140.08/213,746.22 = 116,896.88/x
  3. Step 3: Cross multiply
    143,140.08x = 213,746.22 × 116,896.88
  4. Step 4: Simplify right side
    143,140.08x = 24,986,266,229.79
  5. Step 5: Solve for x
    x = 24,986,266,229.79/143,140.08
  6. Step 6: Final answer
    x = 174,558.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.