Home / 171,985.54-257,672.79-146,769.70

Finding the Fourth Proportional to 171,985.54, 257,672.79 and 146,769.70

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Solution

The fourth proportional to 171,985.54, 257,672.79 and 146,769.70 is: 219,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,985.54 : 257,672.79 = 146,769.70 : x
  2. Step 2: Convert to fraction form
    171,985.54/257,672.79 = 146,769.70/x
  3. Step 3: Cross multiply
    171,985.54x = 257,672.79 × 146,769.70
  4. Step 4: Simplify right side
    171,985.54x = 37,818,558,086.46
  5. Step 5: Solve for x
    x = 37,818,558,086.46/171,985.54
  6. Step 6: Final answer
    x = 219,893.82

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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.