Home / 126,273.02-188,374.56-122,840.78

Finding the Fourth Proportional to 126,273.02, 188,374.56 and 122,840.78

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Solution

The fourth proportional to 126,273.02, 188,374.56 and 122,840.78 is: 183,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,273.02 : 188,374.56 = 122,840.78 : x
  2. Step 2: Convert to fraction form
    126,273.02/188,374.56 = 122,840.78/x
  3. Step 3: Cross multiply
    126,273.02x = 188,374.56 × 122,840.78
  4. Step 4: Simplify right side
    126,273.02x = 23,140,077,882.56
  5. Step 5: Solve for x
    x = 23,140,077,882.56/126,273.02
  6. Step 6: Final answer
    x = 183,254.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.