Home / 171,703.26-236,999.82-103,709.40

Finding the Fourth Proportional to 171,703.26, 236,999.82 and 103,709.40

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Solution

The fourth proportional to 171,703.26, 236,999.82 and 103,709.40 is: 143,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,703.26 : 236,999.82 = 103,709.40 : x
  2. Step 2: Convert to fraction form
    171,703.26/236,999.82 = 103,709.40/x
  3. Step 3: Cross multiply
    171,703.26x = 236,999.82 × 103,709.40
  4. Step 4: Simplify right side
    171,703.26x = 24,579,109,132.31
  5. Step 5: Solve for x
    x = 24,579,109,132.31/171,703.26
  6. Step 6: Final answer
    x = 143,148.76

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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.