Home / 113,814.08-170,440.32-84,893.60

Finding the Fourth Proportional to 113,814.08, 170,440.32 and 84,893.60

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Solution

The fourth proportional to 113,814.08, 170,440.32 and 84,893.60 is: 127,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.08 : 170,440.32 = 84,893.60 : x
  2. Step 2: Convert to fraction form
    113,814.08/170,440.32 = 84,893.60/x
  3. Step 3: Cross multiply
    113,814.08x = 170,440.32 × 84,893.60
  4. Step 4: Simplify right side
    113,814.08x = 14,469,292,349.95
  5. Step 5: Solve for x
    x = 14,469,292,349.95/113,814.08
  6. Step 6: Final answer
    x = 127,130.95

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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.