Home / 155,930.40-234,010.80-103,322.40

Finding the Fourth Proportional to 155,930.40, 234,010.80 and 103,322.40

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Solution

The fourth proportional to 155,930.40, 234,010.80 and 103,322.40 is: 155,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,930.40 : 234,010.80 = 103,322.40 : x
  2. Step 2: Convert to fraction form
    155,930.40/234,010.80 = 103,322.40/x
  3. Step 3: Cross multiply
    155,930.40x = 234,010.80 × 103,322.40
  4. Step 4: Simplify right side
    155,930.40x = 24,178,557,481.92
  5. Step 5: Solve for x
    x = 24,178,557,481.92/155,930.40
  6. Step 6: Final answer
    x = 155,059.93

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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.