Home / 145,153.30-217,729.97-45,322.04

Finding the Fourth Proportional to 145,153.30, 217,729.97 and 45,322.04

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Solution

The fourth proportional to 145,153.30, 217,729.97 and 45,322.04 is: 67,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,153.30 : 217,729.97 = 45,322.04 : x
  2. Step 2: Convert to fraction form
    145,153.30/217,729.97 = 45,322.04/x
  3. Step 3: Cross multiply
    145,153.30x = 217,729.97 × 45,322.04
  4. Step 4: Simplify right side
    145,153.30x = 9,867,966,409.54
  5. Step 5: Solve for x
    x = 9,867,966,409.54/145,153.30
  6. Step 6: Final answer
    x = 67,983.07

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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.