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Finding the Fourth Proportional to 163,324.57, 225,412.32 and 99,699.34

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Solution

The fourth proportional to 163,324.57, 225,412.32 and 99,699.34 is: 137,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,324.57 : 225,412.32 = 99,699.34 : x
  2. Step 2: Convert to fraction form
    163,324.57/225,412.32 = 99,699.34/x
  3. Step 3: Cross multiply
    163,324.57x = 225,412.32 × 99,699.34
  4. Step 4: Simplify right side
    163,324.57x = 22,473,459,531.87
  5. Step 5: Solve for x
    x = 22,473,459,531.87/163,324.57
  6. Step 6: Final answer
    x = 137,599.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.