Home / 273,356.03-409,648.69-129,108.08

Finding the Fourth Proportional to 273,356.03, 409,648.69 and 129,108.08

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Solution

The fourth proportional to 273,356.03, 409,648.69 and 129,108.08 is: 193,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,356.03 : 409,648.69 = 129,108.08 : x
  2. Step 2: Convert to fraction form
    273,356.03/409,648.69 = 129,108.08/x
  3. Step 3: Cross multiply
    273,356.03x = 409,648.69 × 129,108.08
  4. Step 4: Simplify right side
    273,356.03x = 52,888,955,840.42
  5. Step 5: Solve for x
    x = 52,888,955,840.42/273,356.03
  6. Step 6: Final answer
    x = 193,480.11

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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.