Home / 187,431.30-280,709.55-183,672.90

Finding the Fourth Proportional to 187,431.30, 280,709.55 and 183,672.90

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Solution

The fourth proportional to 187,431.30, 280,709.55 and 183,672.90 is: 275,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,431.30 : 280,709.55 = 183,672.90 : x
  2. Step 2: Convert to fraction form
    187,431.30/280,709.55 = 183,672.90/x
  3. Step 3: Cross multiply
    187,431.30x = 280,709.55 × 183,672.90
  4. Step 4: Simplify right side
    187,431.30x = 51,558,737,106.20
  5. Step 5: Solve for x
    x = 51,558,737,106.20/187,431.30
  6. Step 6: Final answer
    x = 275,080.72

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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.