Home / 104,918.11-157,423.64-54,986.31

Finding the Fourth Proportional to 104,918.11, 157,423.64 and 54,986.31

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Solution

The fourth proportional to 104,918.11, 157,423.64 and 54,986.31 is: 82,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,918.11 : 157,423.64 = 54,986.31 : x
  2. Step 2: Convert to fraction form
    104,918.11/157,423.64 = 54,986.31/x
  3. Step 3: Cross multiply
    104,918.11x = 157,423.64 × 54,986.31
  4. Step 4: Simplify right side
    104,918.11x = 8,656,145,070.37
  5. Step 5: Solve for x
    x = 8,656,145,070.37/104,918.11
  6. Step 6: Final answer
    x = 82,503.82

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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.