Home / 158,512.56-218,746.33-86,895.60

Finding the Fourth Proportional to 158,512.56, 218,746.33 and 86,895.60

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Solution

The fourth proportional to 158,512.56, 218,746.33 and 86,895.60 is: 119,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,512.56 : 218,746.33 = 86,895.60 : x
  2. Step 2: Convert to fraction form
    158,512.56/218,746.33 = 86,895.60/x
  3. Step 3: Cross multiply
    158,512.56x = 218,746.33 × 86,895.60
  4. Step 4: Simplify right side
    158,512.56x = 19,008,093,593.15
  5. Step 5: Solve for x
    x = 19,008,093,593.15/158,512.56
  6. Step 6: Final answer
    x = 119,915.38

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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.