Home / 77,972.22-116,394.27-68,513.70

Finding the Fourth Proportional to 77,972.22, 116,394.27 and 68,513.70

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Solution

The fourth proportional to 77,972.22, 116,394.27 and 68,513.70 is: 102,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,972.22 : 116,394.27 = 68,513.70 : x
  2. Step 2: Convert to fraction form
    77,972.22/116,394.27 = 68,513.70/x
  3. Step 3: Cross multiply
    77,972.22x = 116,394.27 × 68,513.70
  4. Step 4: Simplify right side
    77,972.22x = 7,974,602,096.50
  5. Step 5: Solve for x
    x = 7,974,602,096.50/77,972.22
  6. Step 6: Final answer
    x = 102,274.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.