Home / 175,039.30-262,256.55-81,352.90

Finding the Fourth Proportional to 175,039.30, 262,256.55 and 81,352.90

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Solution

The fourth proportional to 175,039.30, 262,256.55 and 81,352.90 is: 121,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,039.30 : 262,256.55 = 81,352.90 : x
  2. Step 2: Convert to fraction form
    175,039.30/262,256.55 = 81,352.90/x
  3. Step 3: Cross multiply
    175,039.30x = 262,256.55 × 81,352.90
  4. Step 4: Simplify right side
    175,039.30x = 21,335,330,886.50
  5. Step 5: Solve for x
    x = 21,335,330,886.50/175,039.30
  6. Step 6: Final answer
    x = 121,888.80

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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.