Home / 128,202.96-176,884.04-73,752.28

Finding the Fourth Proportional to 128,202.96, 176,884.04 and 73,752.28

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Solution

The fourth proportional to 128,202.96, 176,884.04 and 73,752.28 is: 101,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202.96 : 176,884.04 = 73,752.28 : x
  2. Step 2: Convert to fraction form
    128,202.96/176,884.04 = 73,752.28/x
  3. Step 3: Cross multiply
    128,202.96x = 176,884.04 × 73,752.28
  4. Step 4: Simplify right side
    128,202.96x = 13,045,601,245.61
  5. Step 5: Solve for x
    x = 13,045,601,245.61/128,202.96
  6. Step 6: Final answer
    x = 101,757.41

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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.