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Finding the Fourth Proportional to 169,587.48, 254,390.58 and 51,255.84

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Solution

The fourth proportional to 169,587.48, 254,390.58 and 51,255.84 is: 76,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,587.48 : 254,390.58 = 51,255.84 : x
  2. Step 2: Convert to fraction form
    169,587.48/254,390.58 = 51,255.84/x
  3. Step 3: Cross multiply
    169,587.48x = 254,390.58 × 51,255.84
  4. Step 4: Simplify right side
    169,587.48x = 13,039,002,865.99
  5. Step 5: Solve for x
    x = 13,039,002,865.99/169,587.48
  6. Step 6: Final answer
    x = 76,886.59

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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.