Home / 115,929.20-173,926.20-56,766.80

Finding the Fourth Proportional to 115,929.20, 173,926.20 and 56,766.80

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Solution

The fourth proportional to 115,929.20, 173,926.20 and 56,766.80 is: 85,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,929.20 : 173,926.20 = 56,766.80 : x
  2. Step 2: Convert to fraction form
    115,929.20/173,926.20 = 56,766.80/x
  3. Step 3: Cross multiply
    115,929.20x = 173,926.20 × 56,766.80
  4. Step 4: Simplify right side
    115,929.20x = 9,873,233,810.16
  5. Step 5: Solve for x
    x = 9,873,233,810.16/115,929.20
  6. Step 6: Final answer
    x = 85,166.07

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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.