Home / 178,142.08-245,775.04-101,605.90

Finding the Fourth Proportional to 178,142.08, 245,775.04 and 101,605.90

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Solution

The fourth proportional to 178,142.08, 245,775.04 and 101,605.90 is: 140,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,142.08 : 245,775.04 = 101,605.90 : x
  2. Step 2: Convert to fraction form
    178,142.08/245,775.04 = 101,605.90/x
  3. Step 3: Cross multiply
    178,142.08x = 245,775.04 × 101,605.90
  4. Step 4: Simplify right side
    178,142.08x = 24,972,194,136.74
  5. Step 5: Solve for x
    x = 24,972,194,136.74/178,142.08
  6. Step 6: Final answer
    x = 140,181.33

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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.