Home / 187,621.64-281,440.66-61,260.90

Finding the Fourth Proportional to 187,621.64, 281,440.66 and 61,260.90

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Solution

The fourth proportional to 187,621.64, 281,440.66 and 61,260.90 is: 91,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,621.64 : 281,440.66 = 61,260.90 : x
  2. Step 2: Convert to fraction form
    187,621.64/281,440.66 = 61,260.90/x
  3. Step 3: Cross multiply
    187,621.64x = 281,440.66 × 61,260.90
  4. Step 4: Simplify right side
    187,621.64x = 17,241,308,128.19
  5. Step 5: Solve for x
    x = 17,241,308,128.19/187,621.64
  6. Step 6: Final answer
    x = 91,894.03

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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.