Home / 154,279.44-212,844.76-96,885

Finding the Fourth Proportional to 154,279.44, 212,844.76 and 96,885

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Solution

The fourth proportional to 154,279.44, 212,844.76 and 96,885 is: 133,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,279.44 : 212,844.76 = 96,885 : x
  2. Step 2: Convert to fraction form
    154,279.44/212,844.76 = 96,885/x
  3. Step 3: Cross multiply
    154,279.44x = 212,844.76 × 96,885
  4. Step 4: Simplify right side
    154,279.44x = 20,621,464,572.60
  5. Step 5: Solve for x
    x = 20,621,464,572.60/154,279.44
  6. Step 6: Final answer
    x = 133,663.08

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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.