Home / 210,199.63-290,084.20-119,571.56

Finding the Fourth Proportional to 210,199.63, 290,084.20 and 119,571.56

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Solution

The fourth proportional to 210,199.63, 290,084.20 and 119,571.56 is: 165,013.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,199.63 : 290,084.20 = 119,571.56 : x
  2. Step 2: Convert to fraction form
    210,199.63/290,084.20 = 119,571.56/x
  3. Step 3: Cross multiply
    210,199.63x = 290,084.20 × 119,571.56
  4. Step 4: Simplify right side
    210,199.63x = 34,685,820,325.35
  5. Step 5: Solve for x
    x = 34,685,820,325.35/210,199.63
  6. Step 6: Final answer
    x = 165,013.71

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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.