Home / 459,632.07-689,452.97-139,836.00

Finding the Fourth Proportional to 459,632.07, 689,452.97 and 139,836.00

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Solution

The fourth proportional to 459,632.07, 689,452.97 and 139,836.00 is: 209,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,632.07 : 689,452.97 = 139,836.00 : x
  2. Step 2: Convert to fraction form
    459,632.07/689,452.97 = 139,836.00/x
  3. Step 3: Cross multiply
    459,632.07x = 689,452.97 × 139,836.00
  4. Step 4: Simplify right side
    459,632.07x = 96,410,347,399.19
  5. Step 5: Solve for x
    x = 96,410,347,399.19/459,632.07
  6. Step 6: Final answer
    x = 209,755.48

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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.