Home / 210,202.43-290,085.71-119,571.39

Finding the Fourth Proportional to 210,202.43, 290,085.71 and 119,571.39

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Solution

The fourth proportional to 210,202.43, 290,085.71 and 119,571.39 is: 165,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,202.43 : 290,085.71 = 119,571.39 : x
  2. Step 2: Convert to fraction form
    210,202.43/290,085.71 = 119,571.39/x
  3. Step 3: Cross multiply
    210,202.43x = 290,085.71 × 119,571.39
  4. Step 4: Simplify right side
    210,202.43x = 34,685,950,965.98
  5. Step 5: Solve for x
    x = 34,685,950,965.98/210,202.43
  6. Step 6: Final answer
    x = 165,012.14

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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.