Home / 102,161.26-140,866.23-71,936.92

Finding the Fourth Proportional to 102,161.26, 140,866.23 and 71,936.92

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Solution

The fourth proportional to 102,161.26, 140,866.23 and 71,936.92 is: 99,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,161.26 : 140,866.23 = 71,936.92 : x
  2. Step 2: Convert to fraction form
    102,161.26/140,866.23 = 71,936.92/x
  3. Step 3: Cross multiply
    102,161.26x = 140,866.23 × 71,936.92
  4. Step 4: Simplify right side
    102,161.26x = 10,133,482,718.21
  5. Step 5: Solve for x
    x = 10,133,482,718.21/102,161.26
  6. Step 6: Final answer
    x = 99,191.05

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1.5x scale

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.