Home / 145,749.97-218,550.23-66,795.63

Finding the Fourth Proportional to 145,749.97, 218,550.23 and 66,795.63

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Solution

The fourth proportional to 145,749.97, 218,550.23 and 66,795.63 is: 100,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,749.97 : 218,550.23 = 66,795.63 : x
  2. Step 2: Convert to fraction form
    145,749.97/218,550.23 = 66,795.63/x
  3. Step 3: Cross multiply
    145,749.97x = 218,550.23 × 66,795.63
  4. Step 4: Simplify right side
    145,749.97x = 14,598,200,299.49
  5. Step 5: Solve for x
    x = 14,598,200,299.49/145,749.97
  6. Step 6: Final answer
    x = 100,159.20

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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.