Home / 125,181.90-172,693.05-110,856.30

Finding the Fourth Proportional to 125,181.90, 172,693.05 and 110,856.30

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Solution

The fourth proportional to 125,181.90, 172,693.05 and 110,856.30 is: 152,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,181.90 : 172,693.05 = 110,856.30 : x
  2. Step 2: Convert to fraction form
    125,181.90/172,693.05 = 110,856.30/x
  3. Step 3: Cross multiply
    125,181.90x = 172,693.05 × 110,856.30
  4. Step 4: Simplify right side
    125,181.90x = 19,144,112,558.72
  5. Step 5: Solve for x
    x = 19,144,112,558.72/125,181.90
  6. Step 6: Final answer
    x = 152,930.36

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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.