Home / 208,331.04-312,535.44-68,188.08

Finding the Fourth Proportional to 208,331.04, 312,535.44 and 68,188.08

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Solution

The fourth proportional to 208,331.04, 312,535.44 and 68,188.08 is: 102,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,331.04 : 312,535.44 = 68,188.08 : x
  2. Step 2: Convert to fraction form
    208,331.04/312,535.44 = 68,188.08/x
  3. Step 3: Cross multiply
    208,331.04x = 312,535.44 × 68,188.08
  4. Step 4: Simplify right side
    208,331.04x = 21,311,191,585.56
  5. Step 5: Solve for x
    x = 21,311,191,585.56/208,331.04
  6. Step 6: Final answer
    x = 102,294.85

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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.