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Finding the Fourth Proportional to 165,534.30, 228,421.52 and 92,920.54

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Solution

The fourth proportional to 165,534.30, 228,421.52 and 92,920.54 is: 128,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,534.30 : 228,421.52 = 92,920.54 : x
  2. Step 2: Convert to fraction form
    165,534.30/228,421.52 = 92,920.54/x
  3. Step 3: Cross multiply
    165,534.30x = 228,421.52 × 92,920.54
  4. Step 4: Simplify right side
    165,534.30x = 21,225,050,986.02
  5. Step 5: Solve for x
    x = 21,225,050,986.02/165,534.30
  6. Step 6: Final answer
    x = 128,221.47

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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.