Home / 210,384.46-290,332.54-119,736.04

Finding the Fourth Proportional to 210,384.46, 290,332.54 and 119,736.04

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Solution

The fourth proportional to 210,384.46, 290,332.54 and 119,736.04 is: 165,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,384.46 : 290,332.54 = 119,736.04 : x
  2. Step 2: Convert to fraction form
    210,384.46/290,332.54 = 119,736.04/x
  3. Step 3: Cross multiply
    210,384.46x = 290,332.54 × 119,736.04
  4. Step 4: Simplify right side
    210,384.46x = 34,763,268,622.74
  5. Step 5: Solve for x
    x = 34,763,268,622.74/210,384.46
  6. Step 6: Final answer
    x = 165,236.87

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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.