Home / 254,918.12-351,779.58-140,196.65

Finding the Fourth Proportional to 254,918.12, 351,779.58 and 140,196.65

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Solution

The fourth proportional to 254,918.12, 351,779.58 and 140,196.65 is: 193,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,918.12 : 351,779.58 = 140,196.65 : x
  2. Step 2: Convert to fraction form
    254,918.12/351,779.58 = 140,196.65/x
  3. Step 3: Cross multiply
    254,918.12x = 351,779.58 × 140,196.65
  4. Step 4: Simplify right side
    254,918.12x = 49,318,317,392.01
  5. Step 5: Solve for x
    x = 49,318,317,392.01/254,918.12
  6. Step 6: Final answer
    x = 193,467.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.