Home / 211,848.48-317,772.62-54,076.88

Finding the Fourth Proportional to 211,848.48, 317,772.62 and 54,076.88

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Solution

The fourth proportional to 211,848.48, 317,772.62 and 54,076.88 is: 81,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,848.48 : 317,772.62 = 54,076.88 : x
  2. Step 2: Convert to fraction form
    211,848.48/317,772.62 = 54,076.88/x
  3. Step 3: Cross multiply
    211,848.48x = 317,772.62 × 54,076.88
  4. Step 4: Simplify right side
    211,848.48x = 17,184,152,565.86
  5. Step 5: Solve for x
    x = 17,184,152,565.86/211,848.48
  6. Step 6: Final answer
    x = 81,115.30

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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.