Home / 188,928.30-260,717.15-102,888.79

Finding the Fourth Proportional to 188,928.30, 260,717.15 and 102,888.79

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Solution

The fourth proportional to 188,928.30, 260,717.15 and 102,888.79 is: 141,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928.30 : 260,717.15 = 102,888.79 : x
  2. Step 2: Convert to fraction form
    188,928.30/260,717.15 = 102,888.79/x
  3. Step 3: Cross multiply
    188,928.30x = 260,717.15 × 102,888.79
  4. Step 4: Simplify right side
    188,928.30x = 26,824,870,277.72
  5. Step 5: Solve for x
    x = 26,824,870,277.72/188,928.30
  6. Step 6: Final answer
    x = 141,984.39

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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.