Home / 146,739.07-220,073.16-61,303.75

Finding the Fourth Proportional to 146,739.07, 220,073.16 and 61,303.75

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Solution

The fourth proportional to 146,739.07, 220,073.16 and 61,303.75 is: 91,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739.07 : 220,073.16 = 61,303.75 : x
  2. Step 2: Convert to fraction form
    146,739.07/220,073.16 = 61,303.75/x
  3. Step 3: Cross multiply
    146,739.07x = 220,073.16 × 61,303.75
  4. Step 4: Simplify right side
    146,739.07x = 13,491,310,555.13
  5. Step 5: Solve for x
    x = 13,491,310,555.13/146,739.07
  6. Step 6: Final answer
    x = 91,940.82

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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.