Home / 263,770.13-363,999.88-142,904.20

Finding the Fourth Proportional to 263,770.13, 363,999.88 and 142,904.20

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Solution

The fourth proportional to 263,770.13, 363,999.88 and 142,904.20 is: 197,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,770.13 : 363,999.88 = 142,904.20 : x
  2. Step 2: Convert to fraction form
    263,770.13/363,999.88 = 142,904.20/x
  3. Step 3: Cross multiply
    263,770.13x = 363,999.88 × 142,904.20
  4. Step 4: Simplify right side
    263,770.13x = 52,017,111,651.50
  5. Step 5: Solve for x
    x = 52,017,111,651.50/263,770.13
  6. Step 6: Final answer
    x = 197,206.23

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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.