Home / 136,106.68-202,841.38-129,020.80

Finding the Fourth Proportional to 136,106.68, 202,841.38 and 129,020.80

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Solution

The fourth proportional to 136,106.68, 202,841.38 and 129,020.80 is: 192,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,106.68 : 202,841.38 = 129,020.80 : x
  2. Step 2: Convert to fraction form
    136,106.68/202,841.38 = 129,020.80/x
  3. Step 3: Cross multiply
    136,106.68x = 202,841.38 × 129,020.80
  4. Step 4: Simplify right side
    136,106.68x = 26,170,756,106.50
  5. Step 5: Solve for x
    x = 26,170,756,106.50/136,106.68
  6. Step 6: Final answer
    x = 192,281.21

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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.