Home / 114,774.46-172,134.34-48,215.88

Finding the Fourth Proportional to 114,774.46, 172,134.34 and 48,215.88

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Solution

The fourth proportional to 114,774.46, 172,134.34 and 48,215.88 is: 72,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,774.46 : 172,134.34 = 48,215.88 : x
  2. Step 2: Convert to fraction form
    114,774.46/172,134.34 = 48,215.88/x
  3. Step 3: Cross multiply
    114,774.46x = 172,134.34 × 48,215.88
  4. Step 4: Simplify right side
    114,774.46x = 8,299,608,560.78
  5. Step 5: Solve for x
    x = 8,299,608,560.78/114,774.46
  6. Step 6: Final answer
    x = 72,312.33

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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.