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Finding the Fourth Proportional to 104,020, 155,457.44 and 75,998.40

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Solution

The fourth proportional to 104,020, 155,457.44 and 75,998.40 is: 113,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,020 : 155,457.44 = 75,998.40 : x
  2. Step 2: Convert to fraction form
    104,020/155,457.44 = 75,998.40/x
  3. Step 3: Cross multiply
    104,020x = 155,457.44 × 75,998.40
  4. Step 4: Simplify right side
    104,020x = 11,814,516,708.10
  5. Step 5: Solve for x
    x = 11,814,516,708.10/104,020
  6. Step 6: Final answer
    x = 113,579.28

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