Home / 104,208.39-156,312.72-73,182.15

Finding the Fourth Proportional to 104,208.39, 156,312.72 and 73,182.15

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Solution

The fourth proportional to 104,208.39, 156,312.72 and 73,182.15 is: 109,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,208.39 : 156,312.72 = 73,182.15 : x
  2. Step 2: Convert to fraction form
    104,208.39/156,312.72 = 73,182.15/x
  3. Step 3: Cross multiply
    104,208.39x = 156,312.72 × 73,182.15
  4. Step 4: Simplify right side
    104,208.39x = 11,439,300,921.95
  5. Step 5: Solve for x
    x = 11,439,300,921.95/104,208.39
  6. Step 6: Final answer
    x = 109,773.32

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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.