Home / 162,072.72-223,561.20-107,627.40

Finding the Fourth Proportional to 162,072.72, 223,561.20 and 107,627.40

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Solution

The fourth proportional to 162,072.72, 223,561.20 and 107,627.40 is: 148,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,072.72 : 223,561.20 = 107,627.40 : x
  2. Step 2: Convert to fraction form
    162,072.72/223,561.20 = 107,627.40/x
  3. Step 3: Cross multiply
    162,072.72x = 223,561.20 × 107,627.40
  4. Step 4: Simplify right side
    162,072.72x = 24,061,310,696.88
  5. Step 5: Solve for x
    x = 24,061,310,696.88/162,072.72
  6. Step 6: Final answer
    x = 148,459.97

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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.