Home / 212,696.61-293,518.83-120,815.25

Finding the Fourth Proportional to 212,696.61, 293,518.83 and 120,815.25

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Solution

The fourth proportional to 212,696.61, 293,518.83 and 120,815.25 is: 166,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,696.61 : 293,518.83 = 120,815.25 : x
  2. Step 2: Convert to fraction form
    212,696.61/293,518.83 = 120,815.25/x
  3. Step 3: Cross multiply
    212,696.61x = 293,518.83 × 120,815.25
  4. Step 4: Simplify right side
    212,696.61x = 35,461,549,358.56
  5. Step 5: Solve for x
    x = 35,461,549,358.56/212,696.61
  6. Step 6: Final answer
    x = 166,723.63

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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.