Home / 187,900.25-281,875.71-54,779.45

Finding the Fourth Proportional to 187,900.25, 281,875.71 and 54,779.45

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Solution

The fourth proportional to 187,900.25, 281,875.71 and 54,779.45 is: 82,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,900.25 : 281,875.71 = 54,779.45 : x
  2. Step 2: Convert to fraction form
    187,900.25/281,875.71 = 54,779.45/x
  3. Step 3: Cross multiply
    187,900.25x = 281,875.71 × 54,779.45
  4. Step 4: Simplify right side
    187,900.25x = 15,440,994,952.78
  5. Step 5: Solve for x
    x = 15,440,994,952.78/187,900.25
  6. Step 6: Final answer
    x = 82,176.56

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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.