Home / 171,221.58-236,511.54-131,427.08

Finding the Fourth Proportional to 171,221.58, 236,511.54 and 131,427.08

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Solution

The fourth proportional to 171,221.58, 236,511.54 and 131,427.08 is: 181,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,221.58 : 236,511.54 = 131,427.08 : x
  2. Step 2: Convert to fraction form
    171,221.58/236,511.54 = 131,427.08/x
  3. Step 3: Cross multiply
    171,221.58x = 236,511.54 × 131,427.08
  4. Step 4: Simplify right side
    171,221.58x = 31,084,021,088.50
  5. Step 5: Solve for x
    x = 31,084,021,088.50/171,221.58
  6. Step 6: Final answer
    x = 181,542.66

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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.