Home / 273,875.10-411,150.96-129,918.57

Finding the Fourth Proportional to 273,875.10, 411,150.96 and 129,918.57

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Solution

The fourth proportional to 273,875.10, 411,150.96 and 129,918.57 is: 195,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,875.10 : 411,150.96 = 129,918.57 : x
  2. Step 2: Convert to fraction form
    273,875.10/411,150.96 = 129,918.57/x
  3. Step 3: Cross multiply
    273,875.10x = 411,150.96 × 129,918.57
  4. Step 4: Simplify right side
    273,875.10x = 53,416,144,777.33
  5. Step 5: Solve for x
    x = 53,416,144,777.33/273,875.10
  6. Step 6: Final answer
    x = 195,038.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.