Home / 108,869.08-150,235.47-61,124.44

Finding the Fourth Proportional to 108,869.08, 150,235.47 and 61,124.44

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Solution

The fourth proportional to 108,869.08, 150,235.47 and 61,124.44 is: 84,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869.08 : 150,235.47 = 61,124.44 : x
  2. Step 2: Convert to fraction form
    108,869.08/150,235.47 = 61,124.44/x
  3. Step 3: Cross multiply
    108,869.08x = 150,235.47 × 61,124.44
  4. Step 4: Simplify right side
    108,869.08x = 9,183,057,915.09
  5. Step 5: Solve for x
    x = 9,183,057,915.09/108,869.08
  6. Step 6: Final answer
    x = 84,349.55

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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.