Home / 208,535.76-312,755.66-124,319.70

Finding the Fourth Proportional to 208,535.76, 312,755.66 and 124,319.70

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Solution

The fourth proportional to 208,535.76, 312,755.66 and 124,319.70 is: 186,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,535.76 : 312,755.66 = 124,319.70 : x
  2. Step 2: Convert to fraction form
    208,535.76/312,755.66 = 124,319.70/x
  3. Step 3: Cross multiply
    208,535.76x = 312,755.66 × 124,319.70
  4. Step 4: Simplify right side
    208,535.76x = 38,881,689,824.50
  5. Step 5: Solve for x
    x = 38,881,689,824.50/208,535.76
  6. Step 6: Final answer
    x = 186,450.95

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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.