Home / 103,179.18-154,561.41-53,827.50

Finding the Fourth Proportional to 103,179.18, 154,561.41 and 53,827.50

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Solution

The fourth proportional to 103,179.18, 154,561.41 and 53,827.50 is: 80,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,179.18 : 154,561.41 = 53,827.50 : x
  2. Step 2: Convert to fraction form
    103,179.18/154,561.41 = 53,827.50/x
  3. Step 3: Cross multiply
    103,179.18x = 154,561.41 × 53,827.50
  4. Step 4: Simplify right side
    103,179.18x = 8,319,654,296.78
  5. Step 5: Solve for x
    x = 8,319,654,296.78/103,179.18
  6. Step 6: Final answer
    x = 80,633.07

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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.