Home / 212,322.72-293,052.48-166,290.72

Finding the Fourth Proportional to 212,322.72, 293,052.48 and 166,290.72

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Solution

The fourth proportional to 212,322.72, 293,052.48 and 166,290.72 is: 229,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,322.72 : 293,052.48 = 166,290.72 : x
  2. Step 2: Convert to fraction form
    212,322.72/293,052.48 = 166,290.72/x
  3. Step 3: Cross multiply
    212,322.72x = 293,052.48 × 166,290.72
  4. Step 4: Simplify right side
    212,322.72x = 48,731,907,896.99
  5. Step 5: Solve for x
    x = 48,731,907,896.99/212,322.72
  6. Step 6: Final answer
    x = 229,518.10

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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.