Home / 145,078.12-217,460.20-60,884

Finding the Fourth Proportional to 145,078.12, 217,460.20 and 60,884

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Solution

The fourth proportional to 145,078.12, 217,460.20 and 60,884 is: 91,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,078.12 : 217,460.20 = 60,884 : x
  2. Step 2: Convert to fraction form
    145,078.12/217,460.20 = 60,884/x
  3. Step 3: Cross multiply
    145,078.12x = 217,460.20 × 60,884
  4. Step 4: Simplify right side
    145,078.12x = 13,239,846,816.80
  5. Step 5: Solve for x
    x = 13,239,846,816.80/145,078.12
  6. Step 6: Final answer
    x = 91,260.12

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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.