Home / 208,535.52-312,755.30-124,319.46

Finding the Fourth Proportional to 208,535.52, 312,755.30 and 124,319.46

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Solution

The fourth proportional to 208,535.52, 312,755.30 and 124,319.46 is: 186,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,535.52 : 312,755.30 = 124,319.46 : x
  2. Step 2: Convert to fraction form
    208,535.52/312,755.30 = 124,319.46/x
  3. Step 3: Cross multiply
    208,535.52x = 312,755.30 × 124,319.46
  4. Step 4: Simplify right side
    208,535.52x = 38,881,570,008.14
  5. Step 5: Solve for x
    x = 38,881,570,008.14/208,535.52
  6. Step 6: Final answer
    x = 186,450.59

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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.