Home / 219,783.12-303,170.76-140,295.12

Finding the Fourth Proportional to 219,783.12, 303,170.76 and 140,295.12

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Solution

The fourth proportional to 219,783.12, 303,170.76 and 140,295.12 is: 193,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,783.12 : 303,170.76 = 140,295.12 : x
  2. Step 2: Convert to fraction form
    219,783.12/303,170.76 = 140,295.12/x
  3. Step 3: Cross multiply
    219,783.12x = 303,170.76 × 140,295.12
  4. Step 4: Simplify right side
    219,783.12x = 42,533,378,154.69
  5. Step 5: Solve for x
    x = 42,533,378,154.69/219,783.12
  6. Step 6: Final answer
    x = 193,524.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.