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Finding the Fourth Proportional to 117,618.40, 162,314.40 and 63,903.52

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Solution

The fourth proportional to 117,618.40, 162,314.40 and 63,903.52 is: 88,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,618.40 : 162,314.40 = 63,903.52 : x
  2. Step 2: Convert to fraction form
    117,618.40/162,314.40 = 63,903.52/x
  3. Step 3: Cross multiply
    117,618.40x = 162,314.40 × 63,903.52
  4. Step 4: Simplify right side
    117,618.40x = 10,372,461,506.69
  5. Step 5: Solve for x
    x = 10,372,461,506.69/117,618.40
  6. Step 6: Final answer
    x = 88,187.41

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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.