Home / 115,814.09-173,494.88-79,784.18

Finding the Fourth Proportional to 115,814.09, 173,494.88 and 79,784.18

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Solution

The fourth proportional to 115,814.09, 173,494.88 and 79,784.18 is: 119,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,814.09 : 173,494.88 = 79,784.18 : x
  2. Step 2: Convert to fraction form
    115,814.09/173,494.88 = 79,784.18/x
  3. Step 3: Cross multiply
    115,814.09x = 173,494.88 × 79,784.18
  4. Step 4: Simplify right side
    115,814.09x = 13,842,147,543.90
  5. Step 5: Solve for x
    x = 13,842,147,543.90/115,814.09
  6. Step 6: Final answer
    x = 119,520.41

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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.