Home / 108,895.41-150,276.60-61,153.20

Finding the Fourth Proportional to 108,895.41, 150,276.60 and 61,153.20

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Solution

The fourth proportional to 108,895.41, 150,276.60 and 61,153.20 is: 84,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,895.41 : 150,276.60 = 61,153.20 : x
  2. Step 2: Convert to fraction form
    108,895.41/150,276.60 = 61,153.20/x
  3. Step 3: Cross multiply
    108,895.41x = 150,276.60 × 61,153.20
  4. Step 4: Simplify right side
    108,895.41x = 9,189,894,975.12
  5. Step 5: Solve for x
    x = 9,189,894,975.12/108,895.41
  6. Step 6: Final answer
    x = 84,391.94

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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.