Home / 108,278.37-162,426.67-39,908.50

Finding the Fourth Proportional to 108,278.37, 162,426.67 and 39,908.50

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Solution

The fourth proportional to 108,278.37, 162,426.67 and 39,908.50 is: 59,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,278.37 : 162,426.67 = 39,908.50 : x
  2. Step 2: Convert to fraction form
    108,278.37/162,426.67 = 39,908.50/x
  3. Step 3: Cross multiply
    108,278.37x = 162,426.67 × 39,908.50
  4. Step 4: Simplify right side
    108,278.37x = 6,482,204,253.86
  5. Step 5: Solve for x
    x = 6,482,204,253.86/108,278.37
  6. Step 6: Final answer
    x = 59,866.10

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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.