Home / 240,581.76-331,989.06-133,145.40

Finding the Fourth Proportional to 240,581.76, 331,989.06 and 133,145.40

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Solution

The fourth proportional to 240,581.76, 331,989.06 and 133,145.40 is: 183,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,581.76 : 331,989.06 = 133,145.40 : x
  2. Step 2: Convert to fraction form
    240,581.76/331,989.06 = 133,145.40/x
  3. Step 3: Cross multiply
    240,581.76x = 331,989.06 × 133,145.40
  4. Step 4: Simplify right side
    240,581.76x = 44,202,816,189.32
  5. Step 5: Solve for x
    x = 44,202,816,189.32/240,581.76
  6. Step 6: Final answer
    x = 183,733.03

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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.