Home / 187,478.31-281,258.77-54,364.12

Finding the Fourth Proportional to 187,478.31, 281,258.77 and 54,364.12

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Solution

The fourth proportional to 187,478.31, 281,258.77 and 54,364.12 is: 81,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,478.31 : 281,258.77 = 54,364.12 : x
  2. Step 2: Convert to fraction form
    187,478.31/281,258.77 = 54,364.12/x
  3. Step 3: Cross multiply
    187,478.31x = 281,258.77 × 54,364.12
  4. Step 4: Simplify right side
    187,478.31x = 15,290,385,523.33
  5. Step 5: Solve for x
    x = 15,290,385,523.33/187,478.31
  6. Step 6: Final answer
    x = 81,558.16

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1.5x scale

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.