Home / 263,537.39-363,681.74-142,678.70

Finding the Fourth Proportional to 263,537.39, 363,681.74 and 142,678.70

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Solution

The fourth proportional to 263,537.39, 363,681.74 and 142,678.70 is: 196,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,537.39 : 363,681.74 = 142,678.70 : x
  2. Step 2: Convert to fraction form
    263,537.39/363,681.74 = 142,678.70/x
  3. Step 3: Cross multiply
    263,537.39x = 363,681.74 × 142,678.70
  4. Step 4: Simplify right side
    263,537.39x = 51,889,639,142.84
  5. Step 5: Solve for x
    x = 51,889,639,142.84/263,537.39
  6. Step 6: Final answer
    x = 196,896.69

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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.