Home / 208,086.30-312,179.85-60,342.30

Finding the Fourth Proportional to 208,086.30, 312,179.85 and 60,342.30

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Solution

The fourth proportional to 208,086.30, 312,179.85 and 60,342.30 is: 90,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,086.30 : 312,179.85 = 60,342.30 : x
  2. Step 2: Convert to fraction form
    208,086.30/312,179.85 = 60,342.30/x
  3. Step 3: Cross multiply
    208,086.30x = 312,179.85 × 60,342.30
  4. Step 4: Simplify right side
    208,086.30x = 18,837,650,162.66
  5. Step 5: Solve for x
    x = 18,837,650,162.66/208,086.30
  6. Step 6: Final answer
    x = 90,528.07

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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.