Home / 89,177.75-133,786.37-30,011.50

Finding the Fourth Proportional to 89,177.75, 133,786.37 and 30,011.50

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Solution

The fourth proportional to 89,177.75, 133,786.37 and 30,011.50 is: 45,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,177.75 : 133,786.37 = 30,011.50 : x
  2. Step 2: Convert to fraction form
    89,177.75/133,786.37 = 30,011.50/x
  3. Step 3: Cross multiply
    89,177.75x = 133,786.37 × 30,011.50
  4. Step 4: Simplify right side
    89,177.75x = 4,015,129,643.26
  5. Step 5: Solve for x
    x = 4,015,129,643.26/89,177.75
  6. Step 6: Final answer
    x = 45,023.89

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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.