Home / 208,109.24-312,177.96-73,156.88

Finding the Fourth Proportional to 208,109.24, 312,177.96 and 73,156.88

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Solution

The fourth proportional to 208,109.24, 312,177.96 and 73,156.88 is: 109,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,109.24 : 312,177.96 = 73,156.88 : x
  2. Step 2: Convert to fraction form
    208,109.24/312,177.96 = 73,156.88/x
  3. Step 3: Cross multiply
    208,109.24x = 312,177.96 × 73,156.88
  4. Step 4: Simplify right side
    208,109.24x = 22,837,965,558.36
  5. Step 5: Solve for x
    x = 22,837,965,558.36/208,109.24
  6. Step 6: Final answer
    x = 109,740.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.