Home / 119,231.09-164,538.85-65,519.56

Finding the Fourth Proportional to 119,231.09, 164,538.85 and 65,519.56

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Solution

The fourth proportional to 119,231.09, 164,538.85 and 65,519.56 is: 90,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231.09 : 164,538.85 = 65,519.56 : x
  2. Step 2: Convert to fraction form
    119,231.09/164,538.85 = 65,519.56/x
  3. Step 3: Cross multiply
    119,231.09x = 164,538.85 × 65,519.56
  4. Step 4: Simplify right side
    119,231.09x = 10,780,513,054.91
  5. Step 5: Solve for x
    x = 10,780,513,054.91/119,231.09
  6. Step 6: Final answer
    x = 90,416.97

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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.