Home / 102,134.00-140,887.35-61,287.56

Finding the Fourth Proportional to 102,134.00, 140,887.35 and 61,287.56

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Solution

The fourth proportional to 102,134.00, 140,887.35 and 61,287.56 is: 84,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,134.00 : 140,887.35 = 61,287.56 : x
  2. Step 2: Convert to fraction form
    102,134.00/140,887.35 = 61,287.56/x
  3. Step 3: Cross multiply
    102,134.00x = 140,887.35 × 61,287.56
  4. Step 4: Simplify right side
    102,134.00x = 8,634,641,211.93
  5. Step 5: Solve for x
    x = 8,634,641,211.93/102,134.00
  6. Step 6: Final answer
    x = 84,542.28

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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.