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Finding the Fourth Proportional to 108,103.60, 162,114.08 and 51,928.08

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Solution

The fourth proportional to 108,103.60, 162,114.08 and 51,928.08 is: 77,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103.60 : 162,114.08 = 51,928.08 : x
  2. Step 2: Convert to fraction form
    108,103.60/162,114.08 = 51,928.08/x
  3. Step 3: Cross multiply
    108,103.60x = 162,114.08 × 51,928.08
  4. Step 4: Simplify right side
    108,103.60x = 8,418,272,915.37
  5. Step 5: Solve for x
    x = 8,418,272,915.37/108,103.60
  6. Step 6: Final answer
    x = 77,872.27

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1.5x scale

Why These Related Problems?

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