Home / 109,733.10-150,980.67-102,734.70

Finding the Fourth Proportional to 109,733.10, 150,980.67 and 102,734.70

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Solution

The fourth proportional to 109,733.10, 150,980.67 and 102,734.70 is: 141,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,733.10 : 150,980.67 = 102,734.70 : x
  2. Step 2: Convert to fraction form
    109,733.10/150,980.67 = 102,734.70/x
  3. Step 3: Cross multiply
    109,733.10x = 150,980.67 × 102,734.70
  4. Step 4: Simplify right side
    109,733.10x = 15,510,953,838.25
  5. Step 5: Solve for x
    x = 15,510,953,838.25/109,733.10
  6. Step 6: Final answer
    x = 141,351.64

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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.