Home / 155,338.05-233,004.72-69,888.57

Finding the Fourth Proportional to 155,338.05, 233,004.72 and 69,888.57

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Solution

The fourth proportional to 155,338.05, 233,004.72 and 69,888.57 is: 104,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,338.05 : 233,004.72 = 69,888.57 : x
  2. Step 2: Convert to fraction form
    155,338.05/233,004.72 = 69,888.57/x
  3. Step 3: Cross multiply
    155,338.05x = 233,004.72 × 69,888.57
  4. Step 4: Simplify right side
    155,338.05x = 16,284,366,684.05
  5. Step 5: Solve for x
    x = 16,284,366,684.05/155,338.05
  6. Step 6: Final answer
    x = 104,831.80

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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.