Home / 187,310.95-281,037.21-112,483.26

Finding the Fourth Proportional to 187,310.95, 281,037.21 and 112,483.26

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Solution

The fourth proportional to 187,310.95, 281,037.21 and 112,483.26 is: 168,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,310.95 : 281,037.21 = 112,483.26 : x
  2. Step 2: Convert to fraction form
    187,310.95/281,037.21 = 112,483.26/x
  3. Step 3: Cross multiply
    187,310.95x = 281,037.21 × 112,483.26
  4. Step 4: Simplify right side
    187,310.95x = 31,611,981,562.10
  5. Step 5: Solve for x
    x = 31,611,981,562.10/187,310.95
  6. Step 6: Final answer
    x = 168,767.40

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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.