Home / 212,515.88-293,271.91-117,022.34

Finding the Fourth Proportional to 212,515.88, 293,271.91 and 117,022.34

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Solution

The fourth proportional to 212,515.88, 293,271.91 and 117,022.34 is: 161,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,515.88 : 293,271.91 = 117,022.34 : x
  2. Step 2: Convert to fraction form
    212,515.88/293,271.91 = 117,022.34/x
  3. Step 3: Cross multiply
    212,515.88x = 293,271.91 × 117,022.34
  4. Step 4: Simplify right side
    212,515.88x = 34,319,365,605.09
  5. Step 5: Solve for x
    x = 34,319,365,605.09/212,515.88
  6. Step 6: Final answer
    x = 161,490.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.