Home / 187,670.16-281,508.84-61,310.76

Finding the Fourth Proportional to 187,670.16, 281,508.84 and 61,310.76

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Solution

The fourth proportional to 187,670.16, 281,508.84 and 61,310.76 is: 91,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,670.16 : 281,508.84 = 61,310.76 : x
  2. Step 2: Convert to fraction form
    187,670.16/281,508.84 = 61,310.76/x
  3. Step 3: Cross multiply
    187,670.16x = 281,508.84 × 61,310.76
  4. Step 4: Simplify right side
    187,670.16x = 17,259,520,927.12
  5. Step 5: Solve for x
    x = 17,259,520,927.12/187,670.16
  6. Step 6: Final answer
    x = 91,967.32

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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.