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Finding the Fourth Proportional to 118,328.14, 163,291.22 and 64,615.42

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Solution

The fourth proportional to 118,328.14, 163,291.22 and 64,615.42 is: 89,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,328.14 : 163,291.22 = 64,615.42 : x
  2. Step 2: Convert to fraction form
    118,328.14/163,291.22 = 64,615.42/x
  3. Step 3: Cross multiply
    118,328.14x = 163,291.22 × 64,615.42
  4. Step 4: Simplify right side
    118,328.14x = 10,551,129,946.16
  5. Step 5: Solve for x
    x = 10,551,129,946.16/118,328.14
  6. Step 6: Final answer
    x = 89,168.40

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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.