Home / 134,467.80-201,701.70-128,344.20

Finding the Fourth Proportional to 134,467.80, 201,701.70 and 128,344.20

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Solution

The fourth proportional to 134,467.80, 201,701.70 and 128,344.20 is: 192,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,467.80 : 201,701.70 = 128,344.20 : x
  2. Step 2: Convert to fraction form
    134,467.80/201,701.70 = 128,344.20/x
  3. Step 3: Cross multiply
    134,467.80x = 201,701.70 × 128,344.20
  4. Step 4: Simplify right side
    134,467.80x = 25,887,243,325.14
  5. Step 5: Solve for x
    x = 25,887,243,325.14/134,467.80
  6. Step 6: Final answer
    x = 192,516.30

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1.5x scale

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.