Home / 187,655.45-281,390.83-87,763.01

Finding the Fourth Proportional to 187,655.45, 281,390.83 and 87,763.01

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Solution

The fourth proportional to 187,655.45, 281,390.83 and 87,763.01 is: 131,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,655.45 : 281,390.83 = 87,763.01 : x
  2. Step 2: Convert to fraction form
    187,655.45/281,390.83 = 87,763.01/x
  3. Step 3: Cross multiply
    187,655.45x = 281,390.83 × 87,763.01
  4. Step 4: Simplify right side
    187,655.45x = 24,695,704,600.84
  5. Step 5: Solve for x
    x = 24,695,704,600.84/187,655.45
  6. Step 6: Final answer
    x = 131,601.32

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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.