Home / 204,555.99-282,141.86-136,538.67

Finding the Fourth Proportional to 204,555.99, 282,141.86 and 136,538.67

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Solution

The fourth proportional to 204,555.99, 282,141.86 and 136,538.67 is: 188,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,555.99 : 282,141.86 = 136,538.67 : x
  2. Step 2: Convert to fraction form
    204,555.99/282,141.86 = 136,538.67/x
  3. Step 3: Cross multiply
    204,555.99x = 282,141.86 × 136,538.67
  4. Step 4: Simplify right side
    204,555.99x = 38,523,273,633.03
  5. Step 5: Solve for x
    x = 38,523,273,633.03/204,555.99
  6. Step 6: Final answer
    x = 188,326.30

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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.