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Finding the Fourth Proportional to 169,446.70, 253,992.70 and 57,088.10

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Solution

The fourth proportional to 169,446.70, 253,992.70 and 57,088.10 is: 85,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,446.70 : 253,992.70 = 57,088.10 : x
  2. Step 2: Convert to fraction form
    169,446.70/253,992.70 = 57,088.10/x
  3. Step 3: Cross multiply
    169,446.70x = 253,992.70 × 57,088.10
  4. Step 4: Simplify right side
    169,446.70x = 14,499,959,458.27
  5. Step 5: Solve for x
    x = 14,499,959,458.27/169,446.70
  6. Step 6: Final answer
    x = 85,572.39

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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.