Home / 187,586.04-281,134.98-143,049

Finding the Fourth Proportional to 187,586.04, 281,134.98 and 143,049

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Solution

The fourth proportional to 187,586.04, 281,134.98 and 143,049 is: 214,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,586.04 : 281,134.98 = 143,049 : x
  2. Step 2: Convert to fraction form
    187,586.04/281,134.98 = 143,049/x
  3. Step 3: Cross multiply
    187,586.04x = 281,134.98 × 143,049
  4. Step 4: Simplify right side
    187,586.04x = 40,216,077,754.02
  5. Step 5: Solve for x
    x = 40,216,077,754.02/187,586.04
  6. Step 6: Final answer
    x = 214,387.37

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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.