Home / 100,826.10-151,195.32-30,688.98

Finding the Fourth Proportional to 100,826.10, 151,195.32 and 30,688.98

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Solution

The fourth proportional to 100,826.10, 151,195.32 and 30,688.98 is: 46,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,826.10 : 151,195.32 = 30,688.98 : x
  2. Step 2: Convert to fraction form
    100,826.10/151,195.32 = 30,688.98/x
  3. Step 3: Cross multiply
    100,826.10x = 151,195.32 × 30,688.98
  4. Step 4: Simplify right side
    100,826.10x = 4,640,030,151.57
  5. Step 5: Solve for x
    x = 4,640,030,151.57/100,826.10
  6. Step 6: Final answer
    x = 46,020.13

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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.