Home / 208,764.04-313,012.86-137,604.52

Finding the Fourth Proportional to 208,764.04, 313,012.86 and 137,604.52

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Solution

The fourth proportional to 208,764.04, 313,012.86 and 137,604.52 is: 206,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,764.04 : 313,012.86 = 137,604.52 : x
  2. Step 2: Convert to fraction form
    208,764.04/313,012.86 = 137,604.52/x
  3. Step 3: Cross multiply
    208,764.04x = 313,012.86 × 137,604.52
  4. Step 4: Simplify right side
    208,764.04x = 43,071,983,666.10
  5. Step 5: Solve for x
    x = 43,071,983,666.10/208,764.04
  6. Step 6: Final answer
    x = 206,318.98

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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.