Home / 215,279.52-323,001.28-96,923.64

Finding the Fourth Proportional to 215,279.52, 323,001.28 and 96,923.64

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Solution

The fourth proportional to 215,279.52, 323,001.28 and 96,923.64 is: 145,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,279.52 : 323,001.28 = 96,923.64 : x
  2. Step 2: Convert to fraction form
    215,279.52/323,001.28 = 96,923.64/x
  3. Step 3: Cross multiply
    215,279.52x = 323,001.28 × 96,923.64
  4. Step 4: Simplify right side
    215,279.52x = 31,306,459,782.26
  5. Step 5: Solve for x
    x = 31,306,459,782.26/215,279.52
  6. Step 6: Final answer
    x = 145,422.38

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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.