Home / 263,539.08-363,684.16-142,680.46

Finding the Fourth Proportional to 263,539.08, 363,684.16 and 142,680.46

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Solution

The fourth proportional to 263,539.08, 363,684.16 and 142,680.46 is: 196,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,539.08 : 363,684.16 = 142,680.46 : x
  2. Step 2: Convert to fraction form
    263,539.08/363,684.16 = 142,680.46/x
  3. Step 3: Cross multiply
    263,539.08x = 363,684.16 × 142,680.46
  4. Step 4: Simplify right side
    263,539.08x = 51,890,623,243.51
  5. Step 5: Solve for x
    x = 51,890,623,243.51/263,539.08
  6. Step 6: Final answer
    x = 196,899.16

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1.5x scale

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.