Home / 134,448.20-201,672.30-90,211.40

Finding the Fourth Proportional to 134,448.20, 201,672.30 and 90,211.40

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Solution

The fourth proportional to 134,448.20, 201,672.30 and 90,211.40 is: 135,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.20 : 201,672.30 = 90,211.40 : x
  2. Step 2: Convert to fraction form
    134,448.20/201,672.30 = 90,211.40/x
  3. Step 3: Cross multiply
    134,448.20x = 201,672.30 × 90,211.40
  4. Step 4: Simplify right side
    134,448.20x = 18,193,140,524.22
  5. Step 5: Solve for x
    x = 18,193,140,524.22/134,448.20
  6. Step 6: Final answer
    x = 135,317.10

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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.