Home / 187,564.09-281,346.60-47,322.72

Finding the Fourth Proportional to 187,564.09, 281,346.60 and 47,322.72

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Solution

The fourth proportional to 187,564.09, 281,346.60 and 47,322.72 is: 70,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,564.09 : 281,346.60 = 47,322.72 : x
  2. Step 2: Convert to fraction form
    187,564.09/281,346.60 = 47,322.72/x
  3. Step 3: Cross multiply
    187,564.09x = 281,346.60 × 47,322.72
  4. Step 4: Simplify right side
    187,564.09x = 13,314,086,374.75
  5. Step 5: Solve for x
    x = 13,314,086,374.75/187,564.09
  6. Step 6: Final answer
    x = 70,984.20

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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.