Home / 171,378.94-236,429.64-103,357.24

Finding the Fourth Proportional to 171,378.94, 236,429.64 and 103,357.24

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Solution

The fourth proportional to 171,378.94, 236,429.64 and 103,357.24 is: 142,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,378.94 : 236,429.64 = 103,357.24 : x
  2. Step 2: Convert to fraction form
    171,378.94/236,429.64 = 103,357.24/x
  3. Step 3: Cross multiply
    171,378.94x = 236,429.64 × 103,357.24
  4. Step 4: Simplify right side
    171,378.94x = 24,436,715,044.59
  5. Step 5: Solve for x
    x = 24,436,715,044.59/171,378.94
  6. Step 6: Final answer
    x = 142,588.79

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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.