Home / 187,403.22-281,087.42-52,479.50

Finding the Fourth Proportional to 187,403.22, 281,087.42 and 52,479.50

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Solution

The fourth proportional to 187,403.22, 281,087.42 and 52,479.50 is: 78,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,403.22 : 281,087.42 = 52,479.50 : x
  2. Step 2: Convert to fraction form
    187,403.22/281,087.42 = 52,479.50/x
  3. Step 3: Cross multiply
    187,403.22x = 281,087.42 × 52,479.50
  4. Step 4: Simplify right side
    187,403.22x = 14,751,325,590.06
  5. Step 5: Solve for x
    x = 14,751,325,590.06/187,403.22
  6. Step 6: Final answer
    x = 78,714.37

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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.