Home / 89,027.10-133,540.65-79,004.70

Finding the Fourth Proportional to 89,027.10, 133,540.65 and 79,004.70

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Solution

The fourth proportional to 89,027.10, 133,540.65 and 79,004.70 is: 118,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.10 : 133,540.65 = 79,004.70 : x
  2. Step 2: Convert to fraction form
    89,027.10/133,540.65 = 79,004.70/x
  3. Step 3: Cross multiply
    89,027.10x = 133,540.65 × 79,004.70
  4. Step 4: Simplify right side
    89,027.10x = 10,550,338,991.06
  5. Step 5: Solve for x
    x = 10,550,338,991.06/89,027.10
  6. Step 6: Final answer
    x = 118,507.05

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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.