Home / 85,182.32-117,551.77-51,191.33

Finding the Fourth Proportional to 85,182.32, 117,551.77 and 51,191.33

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Solution

The fourth proportional to 85,182.32, 117,551.77 and 51,191.33 is: 70,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,182.32 : 117,551.77 = 51,191.33 : x
  2. Step 2: Convert to fraction form
    85,182.32/117,551.77 = 51,191.33/x
  3. Step 3: Cross multiply
    85,182.32x = 117,551.77 × 51,191.33
  4. Step 4: Simplify right side
    85,182.32x = 6,017,630,734.42
  5. Step 5: Solve for x
    x = 6,017,630,734.42/85,182.32
  6. Step 6: Final answer
    x = 70,644.13

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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.