Home / 211,526.70-317,187.96-122,802.54

Finding the Fourth Proportional to 211,526.70, 317,187.96 and 122,802.54

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Solution

The fourth proportional to 211,526.70, 317,187.96 and 122,802.54 is: 184,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,526.70 : 317,187.96 = 122,802.54 : x
  2. Step 2: Convert to fraction form
    211,526.70/317,187.96 = 122,802.54/x
  3. Step 3: Cross multiply
    211,526.70x = 317,187.96 × 122,802.54
  4. Step 4: Simplify right side
    211,526.70x = 38,951,487,145.42
  5. Step 5: Solve for x
    x = 38,951,487,145.42/211,526.70
  6. Step 6: Final answer
    x = 184,144.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.