Home / 140,905.60-211,339.20-42,409.60

Finding the Fourth Proportional to 140,905.60, 211,339.20 and 42,409.60

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Solution

The fourth proportional to 140,905.60, 211,339.20 and 42,409.60 is: 63,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,905.60 : 211,339.20 = 42,409.60 : x
  2. Step 2: Convert to fraction form
    140,905.60/211,339.20 = 42,409.60/x
  3. Step 3: Cross multiply
    140,905.60x = 211,339.20 × 42,409.60
  4. Step 4: Simplify right side
    140,905.60x = 8,962,810,936.32
  5. Step 5: Solve for x
    x = 8,962,810,936.32/140,905.60
  6. Step 6: Final answer
    x = 63,608.62

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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.