Home / 115,980.14-160,049.88-68,236.58

Finding the Fourth Proportional to 115,980.14, 160,049.88 and 68,236.58

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Solution

The fourth proportional to 115,980.14, 160,049.88 and 68,236.58 is: 94,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,980.14 : 160,049.88 = 68,236.58 : x
  2. Step 2: Convert to fraction form
    115,980.14/160,049.88 = 68,236.58/x
  3. Step 3: Cross multiply
    115,980.14x = 160,049.88 × 68,236.58
  4. Step 4: Simplify right side
    115,980.14x = 10,921,256,440.61
  5. Step 5: Solve for x
    x = 10,921,256,440.61/115,980.14
  6. Step 6: Final answer
    x = 94,164.88

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1.5x scale

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.