Home / 162,397.52-223,997.38-105,885.44

Finding the Fourth Proportional to 162,397.52, 223,997.38 and 105,885.44

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Solution

The fourth proportional to 162,397.52, 223,997.38 and 105,885.44 is: 146,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,397.52 : 223,997.38 = 105,885.44 : x
  2. Step 2: Convert to fraction form
    162,397.52/223,997.38 = 105,885.44/x
  3. Step 3: Cross multiply
    162,397.52x = 223,997.38 × 105,885.44
  4. Step 4: Simplify right side
    162,397.52x = 23,718,060,610.72
  5. Step 5: Solve for x
    x = 23,718,060,610.72/162,397.52
  6. Step 6: Final answer
    x = 146,049.40

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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.