Home / 211,373.64-317,100.51-111,439.35

Finding the Fourth Proportional to 211,373.64, 317,100.51 and 111,439.35

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Solution

The fourth proportional to 211,373.64, 317,100.51 and 111,439.35 is: 167,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,373.64 : 317,100.51 = 111,439.35 : x
  2. Step 2: Convert to fraction form
    211,373.64/317,100.51 = 111,439.35/x
  3. Step 3: Cross multiply
    211,373.64x = 317,100.51 × 111,439.35
  4. Step 4: Simplify right side
    211,373.64x = 35,337,474,719.07
  5. Step 5: Solve for x
    x = 35,337,474,719.07/211,373.64
  6. Step 6: Final answer
    x = 167,180.14

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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.