Home / 188,928.86-281,913.21-169,070.90

Finding the Fourth Proportional to 188,928.86, 281,913.21 and 169,070.90

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Solution

The fourth proportional to 188,928.86, 281,913.21 and 169,070.90 is: 252,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928.86 : 281,913.21 = 169,070.90 : x
  2. Step 2: Convert to fraction form
    188,928.86/281,913.21 = 169,070.90/x
  3. Step 3: Cross multiply
    188,928.86x = 281,913.21 × 169,070.90
  4. Step 4: Simplify right side
    188,928.86x = 47,663,318,727.02
  5. Step 5: Solve for x
    x = 47,663,318,727.02/188,928.86
  6. Step 6: Final answer
    x = 252,281.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.