Home / 208,735.12-288,059.46-123,852.76

Finding the Fourth Proportional to 208,735.12, 288,059.46 and 123,852.76

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Solution

The fourth proportional to 208,735.12, 288,059.46 and 123,852.76 is: 170,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,735.12 : 288,059.46 = 123,852.76 : x
  2. Step 2: Convert to fraction form
    208,735.12/288,059.46 = 123,852.76/x
  3. Step 3: Cross multiply
    208,735.12x = 288,059.46 × 123,852.76
  4. Step 4: Simplify right side
    208,735.12x = 35,676,959,165.11
  5. Step 5: Solve for x
    x = 35,676,959,165.11/208,735.12
  6. Step 6: Final answer
    x = 170,919.77

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1.5x scale

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.