Home / 146,901.60-220,352.40-100,245.60

Finding the Fourth Proportional to 146,901.60, 220,352.40 and 100,245.60

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Solution

The fourth proportional to 146,901.60, 220,352.40 and 100,245.60 is: 150,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,901.60 : 220,352.40 = 100,245.60 : x
  2. Step 2: Convert to fraction form
    146,901.60/220,352.40 = 100,245.60/x
  3. Step 3: Cross multiply
    146,901.60x = 220,352.40 × 100,245.60
  4. Step 4: Simplify right side
    146,901.60x = 22,089,358,549.44
  5. Step 5: Solve for x
    x = 22,089,358,549.44/146,901.60
  6. Step 6: Final answer
    x = 150,368.40

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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.