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Finding the Fourth Proportional to 169,885.68, 254,867.88 and 57,559.92

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Solution

The fourth proportional to 169,885.68, 254,867.88 and 57,559.92 is: 86,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,885.68 : 254,867.88 = 57,559.92 : x
  2. Step 2: Convert to fraction form
    169,885.68/254,867.88 = 57,559.92/x
  3. Step 3: Cross multiply
    169,885.68x = 254,867.88 × 57,559.92
  4. Step 4: Simplify right side
    169,885.68x = 14,670,174,783.37
  5. Step 5: Solve for x
    x = 14,670,174,783.37/169,885.68
  6. Step 6: Final answer
    x = 86,353.22

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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.