Home / 208,977.93-288,387.01-113,485.31

Finding the Fourth Proportional to 208,977.93, 288,387.01 and 113,485.31

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Solution

The fourth proportional to 208,977.93, 288,387.01 and 113,485.31 is: 156,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,977.93 : 288,387.01 = 113,485.31 : x
  2. Step 2: Convert to fraction form
    208,977.93/288,387.01 = 113,485.31/x
  3. Step 3: Cross multiply
    208,977.93x = 288,387.01 × 113,485.31
  4. Step 4: Simplify right side
    208,977.93x = 32,727,689,667.08
  5. Step 5: Solve for x
    x = 32,727,689,667.08/208,977.93
  6. Step 6: Final answer
    x = 156,608.35

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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.