Home / 187,409.12-281,238.18-87,577.04

Finding the Fourth Proportional to 187,409.12, 281,238.18 and 87,577.04

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Solution

The fourth proportional to 187,409.12, 281,238.18 and 87,577.04 is: 131,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,409.12 : 281,238.18 = 87,577.04 : x
  2. Step 2: Convert to fraction form
    187,409.12/281,238.18 = 87,577.04/x
  3. Step 3: Cross multiply
    187,409.12x = 281,238.18 × 87,577.04
  4. Step 4: Simplify right side
    187,409.12x = 24,630,007,339.39
  5. Step 5: Solve for x
    x = 24,630,007,339.39/187,409.12
  6. Step 6: Final answer
    x = 131,423.74

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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.