Home / 125,171.33-172,678.64-110,845.80

Finding the Fourth Proportional to 125,171.33, 172,678.64 and 110,845.80

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Solution

The fourth proportional to 125,171.33, 172,678.64 and 110,845.80 is: 152,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,171.33 : 172,678.64 = 110,845.80 : x
  2. Step 2: Convert to fraction form
    125,171.33/172,678.64 = 110,845.80/x
  3. Step 3: Cross multiply
    125,171.33x = 172,678.64 × 110,845.80
  4. Step 4: Simplify right side
    125,171.33x = 19,140,701,439.48
  5. Step 5: Solve for x
    x = 19,140,701,439.48/125,171.33
  6. Step 6: Final answer
    x = 152,916.02

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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.