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Finding the Fourth Proportional to 108,101.40, 162,152.10 and 61,445.40

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Solution

The fourth proportional to 108,101.40, 162,152.10 and 61,445.40 is: 92,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,101.40 : 162,152.10 = 61,445.40 : x
  2. Step 2: Convert to fraction form
    108,101.40/162,152.10 = 61,445.40/x
  3. Step 3: Cross multiply
    108,101.40x = 162,152.10 × 61,445.40
  4. Step 4: Simplify right side
    108,101.40x = 9,963,500,645.34
  5. Step 5: Solve for x
    x = 9,963,500,645.34/108,101.40
  6. Step 6: Final answer
    x = 92,168.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.