Home / 108,899.68-150,280.98-61,157.20

Finding the Fourth Proportional to 108,899.68, 150,280.98 and 61,157.20

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Solution

The fourth proportional to 108,899.68, 150,280.98 and 61,157.20 is: 84,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.68 : 150,280.98 = 61,157.20 : x
  2. Step 2: Convert to fraction form
    108,899.68/150,280.98 = 61,157.20/x
  3. Step 3: Cross multiply
    108,899.68x = 150,280.98 × 61,157.20
  4. Step 4: Simplify right side
    108,899.68x = 9,190,763,950.06
  5. Step 5: Solve for x
    x = 9,190,763,950.06/108,899.68
  6. Step 6: Final answer
    x = 84,396.61

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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.