Home / 135,501.60-203,252.40-42,016.80

Finding the Fourth Proportional to 135,501.60, 203,252.40 and 42,016.80

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Solution

The fourth proportional to 135,501.60, 203,252.40 and 42,016.80 is: 63,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,501.60 : 203,252.40 = 42,016.80 : x
  2. Step 2: Convert to fraction form
    135,501.60/203,252.40 = 42,016.80/x
  3. Step 3: Cross multiply
    135,501.60x = 203,252.40 × 42,016.80
  4. Step 4: Simplify right side
    135,501.60x = 8,540,015,440.32
  5. Step 5: Solve for x
    x = 8,540,015,440.32/135,501.60
  6. Step 6: Final answer
    x = 63,025.20

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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.