Home / 203,022.43-280,106.54-118,123.09

Finding the Fourth Proportional to 203,022.43, 280,106.54 and 118,123.09

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Solution

The fourth proportional to 203,022.43, 280,106.54 and 118,123.09 is: 162,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,022.43 : 280,106.54 = 118,123.09 : x
  2. Step 2: Convert to fraction form
    203,022.43/280,106.54 = 118,123.09/x
  3. Step 3: Cross multiply
    203,022.43x = 280,106.54 × 118,123.09
  4. Step 4: Simplify right side
    203,022.43x = 33,087,050,034.01
  5. Step 5: Solve for x
    x = 33,087,050,034.01/203,022.43
  6. Step 6: Final answer
    x = 162,972.39

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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.