Home / 212,904.61-293,798.47-122,196.73

Finding the Fourth Proportional to 212,904.61, 293,798.47 and 122,196.73

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Solution

The fourth proportional to 212,904.61, 293,798.47 and 122,196.73 is: 168,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,904.61 : 293,798.47 = 122,196.73 : x
  2. Step 2: Convert to fraction form
    212,904.61/293,798.47 = 122,196.73/x
  3. Step 3: Cross multiply
    212,904.61x = 293,798.47 × 122,196.73
  4. Step 4: Simplify right side
    212,904.61x = 35,901,211,273.02
  5. Step 5: Solve for x
    x = 35,901,211,273.02/212,904.61
  6. Step 6: Final answer
    x = 168,625.81

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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.