Home / 216,405.05-298,654.41-119,606.83

Finding the Fourth Proportional to 216,405.05, 298,654.41 and 119,606.83

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Solution

The fourth proportional to 216,405.05, 298,654.41 and 119,606.83 is: 165,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,405.05 : 298,654.41 = 119,606.83 : x
  2. Step 2: Convert to fraction form
    216,405.05/298,654.41 = 119,606.83/x
  3. Step 3: Cross multiply
    216,405.05x = 298,654.41 × 119,606.83
  4. Step 4: Simplify right side
    216,405.05x = 35,721,106,947.51
  5. Step 5: Solve for x
    x = 35,721,106,947.51/216,405.05
  6. Step 6: Final answer
    x = 165,065.96

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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.