Home / 212,604.12-293,368.50-120,717.18

Finding the Fourth Proportional to 212,604.12, 293,368.50 and 120,717.18

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Solution

The fourth proportional to 212,604.12, 293,368.50 and 120,717.18 is: 166,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,604.12 : 293,368.50 = 120,717.18 : x
  2. Step 2: Convert to fraction form
    212,604.12/293,368.50 = 120,717.18/x
  3. Step 3: Cross multiply
    212,604.12x = 293,368.50 × 120,717.18
  4. Step 4: Simplify right side
    212,604.12x = 35,414,618,020.83
  5. Step 5: Solve for x
    x = 35,414,618,020.83/212,604.12
  6. Step 6: Final answer
    x = 166,575.41

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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.