Home / 102,526.20-141,485.72-57,204.27

Finding the Fourth Proportional to 102,526.20, 141,485.72 and 57,204.27

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Solution

The fourth proportional to 102,526.20, 141,485.72 and 57,204.27 is: 78,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,526.20 : 141,485.72 = 57,204.27 : x
  2. Step 2: Convert to fraction form
    102,526.20/141,485.72 = 57,204.27/x
  3. Step 3: Cross multiply
    102,526.20x = 141,485.72 × 57,204.27
  4. Step 4: Simplify right side
    102,526.20x = 8,093,587,042.00
  5. Step 5: Solve for x
    x = 8,093,587,042.00/102,526.20
  6. Step 6: Final answer
    x = 78,941.65

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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.