Home / 108,899.43-150,280.64-61,156.95

Finding the Fourth Proportional to 108,899.43, 150,280.64 and 61,156.95

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Solution

The fourth proportional to 108,899.43, 150,280.64 and 61,156.95 is: 84,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.43 : 150,280.64 = 61,156.95 : x
  2. Step 2: Convert to fraction form
    108,899.43/150,280.64 = 61,156.95/x
  3. Step 3: Cross multiply
    108,899.43x = 150,280.64 × 61,156.95
  4. Step 4: Simplify right side
    108,899.43x = 9,190,705,280.66
  5. Step 5: Solve for x
    x = 9,190,705,280.66/108,899.43
  6. Step 6: Final answer
    x = 84,396.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.