Home / 162,397.64-223,997.55-105,885.56

Finding the Fourth Proportional to 162,397.64, 223,997.55 and 105,885.56

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Solution

The fourth proportional to 162,397.64, 223,997.55 and 105,885.56 is: 146,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,397.64 : 223,997.55 = 105,885.56 : x
  2. Step 2: Convert to fraction form
    162,397.64/223,997.55 = 105,885.56/x
  3. Step 3: Cross multiply
    162,397.64x = 223,997.55 × 105,885.56
  4. Step 4: Simplify right side
    162,397.64x = 23,718,106,020.38
  5. Step 5: Solve for x
    x = 23,718,106,020.38/162,397.64
  6. Step 6: Final answer
    x = 146,049.57

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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.