Home / 235,128.10-324,479.74-127,699.93

Finding the Fourth Proportional to 235,128.10, 324,479.74 and 127,699.93

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Solution

The fourth proportional to 235,128.10, 324,479.74 and 127,699.93 is: 176,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,128.10 : 324,479.74 = 127,699.93 : x
  2. Step 2: Convert to fraction form
    235,128.10/324,479.74 = 127,699.93/x
  3. Step 3: Cross multiply
    235,128.10x = 324,479.74 × 127,699.93
  4. Step 4: Simplify right side
    235,128.10x = 41,436,040,084.42
  5. Step 5: Solve for x
    x = 41,436,040,084.42/235,128.10
  6. Step 6: Final answer
    x = 176,227.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.