Home / 210,222.72-290,111.52-114,733.44

Finding the Fourth Proportional to 210,222.72, 290,111.52 and 114,733.44

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Solution

The fourth proportional to 210,222.72, 290,111.52 and 114,733.44 is: 158,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,222.72 : 290,111.52 = 114,733.44 : x
  2. Step 2: Convert to fraction form
    210,222.72/290,111.52 = 114,733.44/x
  3. Step 3: Cross multiply
    210,222.72x = 290,111.52 × 114,733.44
  4. Step 4: Simplify right side
    210,222.72x = 33,285,492,673.23
  5. Step 5: Solve for x
    x = 33,285,492,673.23/210,222.72
  6. Step 6: Final answer
    x = 158,334.42

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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.