Home / 108,500.41-162,776.59-45,285.38

Finding the Fourth Proportional to 108,500.41, 162,776.59 and 45,285.38

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Solution

The fourth proportional to 108,500.41, 162,776.59 and 45,285.38 is: 67,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,500.41 : 162,776.59 = 45,285.38 : x
  2. Step 2: Convert to fraction form
    108,500.41/162,776.59 = 45,285.38/x
  3. Step 3: Cross multiply
    108,500.41x = 162,776.59 × 45,285.38
  4. Step 4: Simplify right side
    108,500.41x = 7,371,399,416.57
  5. Step 5: Solve for x
    x = 7,371,399,416.57/108,500.41
  6. Step 6: Final answer
    x = 67,938.91

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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.