Home / 263,758.95-363,986.87-142,903.31

Finding the Fourth Proportional to 263,758.95, 363,986.87 and 142,903.31

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Solution

The fourth proportional to 263,758.95, 363,986.87 and 142,903.31 is: 197,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,758.95 : 363,986.87 = 142,903.31 : x
  2. Step 2: Convert to fraction form
    263,758.95/363,986.87 = 142,903.31/x
  3. Step 3: Cross multiply
    263,758.95x = 363,986.87 × 142,903.31
  4. Step 4: Simplify right side
    263,758.95x = 52,014,925,985.09
  5. Step 5: Solve for x
    x = 52,014,925,985.09/263,758.95
  6. Step 6: Final answer
    x = 197,206.30

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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.