Home / 78,146.56-117,218.44-24,838.28

Finding the Fourth Proportional to 78,146.56, 117,218.44 and 24,838.28

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Solution

The fourth proportional to 78,146.56, 117,218.44 and 24,838.28 is: 37,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,146.56 : 117,218.44 = 24,838.28 : x
  2. Step 2: Convert to fraction form
    78,146.56/117,218.44 = 24,838.28/x
  3. Step 3: Cross multiply
    78,146.56x = 117,218.44 × 24,838.28
  4. Step 4: Simplify right side
    78,146.56x = 2,911,504,433.88
  5. Step 5: Solve for x
    x = 2,911,504,433.88/78,146.56
  6. Step 6: Final answer
    x = 37,256.98

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1.5x scale

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.