Home / 209,288.96-288,810.81-113,795.74

Finding the Fourth Proportional to 209,288.96, 288,810.81 and 113,795.74

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Solution

The fourth proportional to 209,288.96, 288,810.81 and 113,795.74 is: 157,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,288.96 : 288,810.81 = 113,795.74 : x
  2. Step 2: Convert to fraction form
    209,288.96/288,810.81 = 113,795.74/x
  3. Step 3: Cross multiply
    209,288.96x = 288,810.81 × 113,795.74
  4. Step 4: Simplify right side
    209,288.96x = 32,865,439,843.95
  5. Step 5: Solve for x
    x = 32,865,439,843.95/209,288.96
  6. Step 6: Final answer
    x = 157,033.80

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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.