Home / 134,450.20-201,675.30-90,213.40

Finding the Fourth Proportional to 134,450.20, 201,675.30 and 90,213.40

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Solution

The fourth proportional to 134,450.20, 201,675.30 and 90,213.40 is: 135,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,450.20 : 201,675.30 = 90,213.40 : x
  2. Step 2: Convert to fraction form
    134,450.20/201,675.30 = 90,213.40/x
  3. Step 3: Cross multiply
    134,450.20x = 201,675.30 × 90,213.40
  4. Step 4: Simplify right side
    134,450.20x = 18,193,814,509.02
  5. Step 5: Solve for x
    x = 18,193,814,509.02/134,450.20
  6. Step 6: Final answer
    x = 135,320.10

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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.