Home / 134,136.90-201,205.35-112,485.60

Finding the Fourth Proportional to 134,136.90, 201,205.35 and 112,485.60

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Solution

The fourth proportional to 134,136.90, 201,205.35 and 112,485.60 is: 168,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136.90 : 201,205.35 = 112,485.60 : x
  2. Step 2: Convert to fraction form
    134,136.90/201,205.35 = 112,485.60/x
  3. Step 3: Cross multiply
    134,136.90x = 201,205.35 × 112,485.60
  4. Step 4: Simplify right side
    134,136.90x = 22,632,704,517.96
  5. Step 5: Solve for x
    x = 22,632,704,517.96/134,136.90
  6. Step 6: Final answer
    x = 168,728.40

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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.