Home / 97,769.99-134,852.89-89,729.56

Finding the Fourth Proportional to 97,769.99, 134,852.89 and 89,729.56

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Solution

The fourth proportional to 97,769.99, 134,852.89 and 89,729.56 is: 123,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,769.99 : 134,852.89 = 89,729.56 : x
  2. Step 2: Convert to fraction form
    97,769.99/134,852.89 = 89,729.56/x
  3. Step 3: Cross multiply
    97,769.99x = 134,852.89 × 89,729.56
  4. Step 4: Simplify right side
    97,769.99x = 12,100,290,484.43
  5. Step 5: Solve for x
    x = 12,100,290,484.43/97,769.99
  6. Step 6: Final answer
    x = 123,762.83

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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.