Home / 211,376.37-317,097.36-71,124.06

Finding the Fourth Proportional to 211,376.37, 317,097.36 and 71,124.06

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Solution

The fourth proportional to 211,376.37, 317,097.36 and 71,124.06 is: 106,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,376.37 : 317,097.36 = 71,124.06 : x
  2. Step 2: Convert to fraction form
    211,376.37/317,097.36 = 71,124.06/x
  3. Step 3: Cross multiply
    211,376.37x = 317,097.36 × 71,124.06
  4. Step 4: Simplify right side
    211,376.37x = 22,553,251,658.48
  5. Step 5: Solve for x
    x = 22,553,251,658.48/211,376.37
  6. Step 6: Final answer
    x = 106,697.13

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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.