Home / 211,829.61-317,744.16-54,058.07

Finding the Fourth Proportional to 211,829.61, 317,744.16 and 54,058.07

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Solution

The fourth proportional to 211,829.61, 317,744.16 and 54,058.07 is: 81,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,829.61 : 317,744.16 = 54,058.07 : x
  2. Step 2: Convert to fraction form
    211,829.61/317,744.16 = 54,058.07/x
  3. Step 3: Cross multiply
    211,829.61x = 317,744.16 × 54,058.07
  4. Step 4: Simplify right side
    211,829.61x = 17,176,636,635.01
  5. Step 5: Solve for x
    x = 17,176,636,635.01/211,829.61
  6. Step 6: Final answer
    x = 81,087.04

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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.