Home / 211,374.64-317,102.01-111,440.35

Finding the Fourth Proportional to 211,374.64, 317,102.01 and 111,440.35

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Solution

The fourth proportional to 211,374.64, 317,102.01 and 111,440.35 is: 167,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,374.64 : 317,102.01 = 111,440.35 : x
  2. Step 2: Convert to fraction form
    211,374.64/317,102.01 = 111,440.35/x
  3. Step 3: Cross multiply
    211,374.64x = 317,102.01 × 111,440.35
  4. Step 4: Simplify right side
    211,374.64x = 35,337,958,980.10
  5. Step 5: Solve for x
    x = 35,337,958,980.10/211,374.64
  6. Step 6: Final answer
    x = 167,181.64

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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.