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Finding the Fourth Proportional to 169,461.86, 254,194.74 and 51,134.22

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Solution

The fourth proportional to 169,461.86, 254,194.74 and 51,134.22 is: 76,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,461.86 : 254,194.74 = 51,134.22 : x
  2. Step 2: Convert to fraction form
    169,461.86/254,194.74 = 51,134.22/x
  3. Step 3: Cross multiply
    169,461.86x = 254,194.74 × 51,134.22
  4. Step 4: Simplify right side
    169,461.86x = 12,998,049,758.00
  5. Step 5: Solve for x
    x = 12,998,049,758.00/169,461.86
  6. Step 6: Final answer
    x = 76,701.92

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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.