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Finding the Fourth Proportional to 116,912.16, 175,394.22 and 54,548.64

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Solution

The fourth proportional to 116,912.16, 175,394.22 and 54,548.64 is: 81,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,912.16 : 175,394.22 = 54,548.64 : x
  2. Step 2: Convert to fraction form
    116,912.16/175,394.22 = 54,548.64/x
  3. Step 3: Cross multiply
    116,912.16x = 175,394.22 × 54,548.64
  4. Step 4: Simplify right side
    116,912.16x = 9,567,516,164.86
  5. Step 5: Solve for x
    x = 9,567,516,164.86/116,912.16
  6. Step 6: Final answer
    x = 81,835.08

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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.