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Finding the Fourth Proportional to 171,000, 235,980 and 95,548.50

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Solution

The fourth proportional to 171,000, 235,980 and 95,548.50 is: 131,856.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000 : 235,980 = 95,548.50 : x
  2. Step 2: Convert to fraction form
    171,000/235,980 = 95,548.50/x
  3. Step 3: Cross multiply
    171,000x = 235,980 × 95,548.50
  4. Step 4: Simplify right side
    171,000x = 22,547,535,030
  5. Step 5: Solve for x
    x = 22,547,535,030/171,000
  6. Step 6: Final answer
    x = 131,856.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.