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Finding the Fourth Proportional to 165,328.80, 228,156 and 89,878.92

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Solution

The fourth proportional to 165,328.80, 228,156 and 89,878.92 is: 124,034.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,328.80 : 228,156 = 89,878.92 : x
  2. Step 2: Convert to fraction form
    165,328.80/228,156 = 89,878.92/x
  3. Step 3: Cross multiply
    165,328.80x = 228,156 × 89,878.92
  4. Step 4: Simplify right side
    165,328.80x = 20,506,414,871.52
  5. Step 5: Solve for x
    x = 20,506,414,871.52/165,328.80
  6. Step 6: Final answer
    x = 124,034.14

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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.