Home / 177,461.36-244,893.44-100,978.80

Finding the Fourth Proportional to 177,461.36, 244,893.44 and 100,978.80

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Solution

The fourth proportional to 177,461.36, 244,893.44 and 100,978.80 is: 139,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,461.36 : 244,893.44 = 100,978.80 : x
  2. Step 2: Convert to fraction form
    177,461.36/244,893.44 = 100,978.80/x
  3. Step 3: Cross multiply
    177,461.36x = 244,893.44 × 100,978.80
  4. Step 4: Simplify right side
    177,461.36x = 24,729,045,699.07
  5. Step 5: Solve for x
    x = 24,729,045,699.07/177,461.36
  6. Step 6: Final answer
    x = 139,348.90

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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.