Home / 263,601.51-363,769.42-142,742.79

Finding the Fourth Proportional to 263,601.51, 363,769.42 and 142,742.79

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Solution

The fourth proportional to 263,601.51, 363,769.42 and 142,742.79 is: 196,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,601.51 : 363,769.42 = 142,742.79 : x
  2. Step 2: Convert to fraction form
    263,601.51/363,769.42 = 142,742.79/x
  3. Step 3: Cross multiply
    263,601.51x = 363,769.42 × 142,742.79
  4. Step 4: Simplify right side
    263,601.51x = 51,925,461,927.48
  5. Step 5: Solve for x
    x = 51,925,461,927.48/263,601.51
  6. Step 6: Final answer
    x = 196,984.69

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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.