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Finding the Fourth Proportional to 73,155.88, 100,918.02 and 46,253.08

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Solution

The fourth proportional to 73,155.88, 100,918.02 and 46,253.08 is: 63,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,155.88 : 100,918.02 = 46,253.08 : x
  2. Step 2: Convert to fraction form
    73,155.88/100,918.02 = 46,253.08/x
  3. Step 3: Cross multiply
    73,155.88x = 100,918.02 × 46,253.08
  4. Step 4: Simplify right side
    73,155.88x = 4,667,769,252.50
  5. Step 5: Solve for x
    x = 4,667,769,252.50/73,155.88
  6. Step 6: Final answer
    x = 63,805.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.