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Finding the Fourth Proportional to 145,968.57, 218,849.04 and 55,935

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Solution

The fourth proportional to 145,968.57, 218,849.04 and 55,935 is: 83,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,968.57 : 218,849.04 = 55,935 : x
  2. Step 2: Convert to fraction form
    145,968.57/218,849.04 = 55,935/x
  3. Step 3: Cross multiply
    145,968.57x = 218,849.04 × 55,935
  4. Step 4: Simplify right side
    145,968.57x = 12,241,321,052.40
  5. Step 5: Solve for x
    x = 12,241,321,052.40/145,968.57
  6. Step 6: Final answer
    x = 83,862.72

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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.