Home / 135,350.40-203,025.60-56,467.20

Finding the Fourth Proportional to 135,350.40, 203,025.60 and 56,467.20

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Solution

The fourth proportional to 135,350.40, 203,025.60 and 56,467.20 is: 84,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,350.40 : 203,025.60 = 56,467.20 : x
  2. Step 2: Convert to fraction form
    135,350.40/203,025.60 = 56,467.20/x
  3. Step 3: Cross multiply
    135,350.40x = 203,025.60 × 56,467.20
  4. Step 4: Simplify right side
    135,350.40x = 11,464,287,160.32
  5. Step 5: Solve for x
    x = 11,464,287,160.32/135,350.40
  6. Step 6: Final answer
    x = 84,700.80

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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.