Home / 78,857.75-118,306.07-23,453.75

Finding the Fourth Proportional to 78,857.75, 118,306.07 and 23,453.75

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Solution

The fourth proportional to 78,857.75, 118,306.07 and 23,453.75 is: 35,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,857.75 : 118,306.07 = 23,453.75 : x
  2. Step 2: Convert to fraction form
    78,857.75/118,306.07 = 23,453.75/x
  3. Step 3: Cross multiply
    78,857.75x = 118,306.07 × 23,453.75
  4. Step 4: Simplify right side
    78,857.75x = 2,774,720,989.26
  5. Step 5: Solve for x
    x = 2,774,720,989.26/78,857.75
  6. Step 6: Final answer
    x = 35,186.41

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1.5x scale

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.