Home / 187,424.80-281,137.20-169,345.60

Finding the Fourth Proportional to 187,424.80, 281,137.20 and 169,345.60

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Solution

The fourth proportional to 187,424.80, 281,137.20 and 169,345.60 is: 254,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,424.80 : 281,137.20 = 169,345.60 : x
  2. Step 2: Convert to fraction form
    187,424.80/281,137.20 = 169,345.60/x
  3. Step 3: Cross multiply
    187,424.80x = 281,137.20 × 169,345.60
  4. Step 4: Simplify right side
    187,424.80x = 47,609,347,816.32
  5. Step 5: Solve for x
    x = 47,609,347,816.32/187,424.80
  6. Step 6: Final answer
    x = 254,018.40

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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.