Home / 145,789.26-201,185.37-82,123.26

Finding the Fourth Proportional to 145,789.26, 201,185.37 and 82,123.26

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Solution

The fourth proportional to 145,789.26, 201,185.37 and 82,123.26 is: 113,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,789.26 : 201,185.37 = 82,123.26 : x
  2. Step 2: Convert to fraction form
    145,789.26/201,185.37 = 82,123.26/x
  3. Step 3: Cross multiply
    145,789.26x = 201,185.37 × 82,123.26
  4. Step 4: Simplify right side
    145,789.26x = 16,521,998,448.71
  5. Step 5: Solve for x
    x = 16,521,998,448.71/145,789.26
  6. Step 6: Final answer
    x = 113,327.95

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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.