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Finding the Fourth Proportional to 169,667.67, 254,459.48 and 57,345.41

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Solution

The fourth proportional to 169,667.67, 254,459.48 and 57,345.41 is: 86,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,667.67 : 254,459.48 = 57,345.41 : x
  2. Step 2: Convert to fraction form
    169,667.67/254,459.48 = 57,345.41/x
  3. Step 3: Cross multiply
    169,667.67x = 254,459.48 × 57,345.41
  4. Step 4: Simplify right side
    169,667.67x = 14,592,081,649.96
  5. Step 5: Solve for x
    x = 14,592,081,649.96/169,667.67
  6. Step 6: Final answer
    x = 86,003.90

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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.