Home / 263,529.12-363,667.64-142,667.30

Finding the Fourth Proportional to 263,529.12, 363,667.64 and 142,667.30

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Solution

The fourth proportional to 263,529.12, 363,667.64 and 142,667.30 is: 196,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,529.12 : 363,667.64 = 142,667.30 : x
  2. Step 2: Convert to fraction form
    263,529.12/363,667.64 = 142,667.30/x
  3. Step 3: Cross multiply
    263,529.12x = 363,667.64 × 142,667.30
  4. Step 4: Simplify right side
    263,529.12x = 51,883,480,296.17
  5. Step 5: Solve for x
    x = 51,883,480,296.17/263,529.12
  6. Step 6: Final answer
    x = 196,879.50

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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.