Home / 187,349.58-281,116.62-87,495.21

Finding the Fourth Proportional to 187,349.58, 281,116.62 and 87,495.21

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Solution

The fourth proportional to 187,349.58, 281,116.62 and 87,495.21 is: 131,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,349.58 : 281,116.62 = 87,495.21 : x
  2. Step 2: Convert to fraction form
    187,349.58/281,116.62 = 87,495.21/x
  3. Step 3: Cross multiply
    187,349.58x = 281,116.62 × 87,495.21
  4. Step 4: Simplify right side
    187,349.58x = 24,596,357,701.39
  5. Step 5: Solve for x
    x = 24,596,357,701.39/187,349.58
  6. Step 6: Final answer
    x = 131,285.90

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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.