Home / 104,041.40-156,087.30-30,169.40

Finding the Fourth Proportional to 104,041.40, 156,087.30 and 30,169.40

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Solution

The fourth proportional to 104,041.40, 156,087.30 and 30,169.40 is: 45,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,041.40 : 156,087.30 = 30,169.40 : x
  2. Step 2: Convert to fraction form
    104,041.40/156,087.30 = 30,169.40/x
  3. Step 3: Cross multiply
    104,041.40x = 156,087.30 × 30,169.40
  4. Step 4: Simplify right side
    104,041.40x = 4,709,060,188.62
  5. Step 5: Solve for x
    x = 4,709,060,188.62/104,041.40
  6. Step 6: Final answer
    x = 45,261.41

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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.