Home / 208,248.20-312,325.50-95,820.56

Finding the Fourth Proportional to 208,248.20, 312,325.50 and 95,820.56

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Solution

The fourth proportional to 208,248.20, 312,325.50 and 95,820.56 is: 143,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,248.20 : 312,325.50 = 95,820.56 : x
  2. Step 2: Convert to fraction form
    208,248.20/312,325.50 = 95,820.56/x
  3. Step 3: Cross multiply
    208,248.20x = 312,325.50 × 95,820.56
  4. Step 4: Simplify right side
    208,248.20x = 29,927,204,312.28
  5. Step 5: Solve for x
    x = 29,927,204,312.28/208,248.20
  6. Step 6: Final answer
    x = 143,709.31

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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.