Home / 102,274.25-141,138.32-56,956.20

Finding the Fourth Proportional to 102,274.25, 141,138.32 and 56,956.20

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Solution

The fourth proportional to 102,274.25, 141,138.32 and 56,956.20 is: 78,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,274.25 : 141,138.32 = 56,956.20 : x
  2. Step 2: Convert to fraction form
    102,274.25/141,138.32 = 56,956.20/x
  3. Step 3: Cross multiply
    102,274.25x = 141,138.32 × 56,956.20
  4. Step 4: Simplify right side
    102,274.25x = 8,038,702,096.80
  5. Step 5: Solve for x
    x = 8,038,702,096.80/102,274.25
  6. Step 6: Final answer
    x = 78,599.47

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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.