Home / 177,447.51-244,899.05-100,985.20

Finding the Fourth Proportional to 177,447.51, 244,899.05 and 100,985.20

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Solution

The fourth proportional to 177,447.51, 244,899.05 and 100,985.20 is: 139,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,447.51 : 244,899.05 = 100,985.20 : x
  2. Step 2: Convert to fraction form
    177,447.51/244,899.05 = 100,985.20/x
  3. Step 3: Cross multiply
    177,447.51x = 244,899.05 × 100,985.20
  4. Step 4: Simplify right side
    177,447.51x = 24,731,179,544.06
  5. Step 5: Solve for x
    x = 24,731,179,544.06/177,447.51
  6. Step 6: Final answer
    x = 139,371.80

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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.