Home / 208,529.10-312,793.65-124,384.28

Finding the Fourth Proportional to 208,529.10, 312,793.65 and 124,384.28

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Solution

The fourth proportional to 208,529.10, 312,793.65 and 124,384.28 is: 186,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,529.10 : 312,793.65 = 124,384.28 : x
  2. Step 2: Convert to fraction form
    208,529.10/312,793.65 = 124,384.28/x
  3. Step 3: Cross multiply
    208,529.10x = 312,793.65 × 124,384.28
  4. Step 4: Simplify right side
    208,529.10x = 38,906,611,379.85
  5. Step 5: Solve for x
    x = 38,906,611,379.85/208,529.10
  6. Step 6: Final answer
    x = 186,576.41

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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.