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Finding the Fourth Proportional to 119,590.16, 165,033.12 and 65,874.32

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Solution

The fourth proportional to 119,590.16, 165,033.12 and 65,874.32 is: 90,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,590.16 : 165,033.12 = 65,874.32 : x
  2. Step 2: Convert to fraction form
    119,590.16/165,033.12 = 65,874.32/x
  3. Step 3: Cross multiply
    119,590.16x = 165,033.12 × 65,874.32
  4. Step 4: Simplify right side
    119,590.16x = 10,871,444,557.48
  5. Step 5: Solve for x
    x = 10,871,444,557.48/119,590.16
  6. Step 6: Final answer
    x = 90,905.85

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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.