Home / 109,457.01-163,947.92-67,208.85

Finding the Fourth Proportional to 109,457.01, 163,947.92 and 67,208.85

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Solution

The fourth proportional to 109,457.01, 163,947.92 and 67,208.85 is: 100,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,457.01 : 163,947.92 = 67,208.85 : x
  2. Step 2: Convert to fraction form
    109,457.01/163,947.92 = 67,208.85/x
  3. Step 3: Cross multiply
    109,457.01x = 163,947.92 × 67,208.85
  4. Step 4: Simplify right side
    109,457.01x = 11,018,750,827.05
  5. Step 5: Solve for x
    x = 11,018,750,827.05/109,457.01
  6. Step 6: Final answer
    x = 100,667.38

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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.