Home / 133,042.19-199,457.33-76,818.52

Finding the Fourth Proportional to 133,042.19, 199,457.33 and 76,818.52

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Solution

The fourth proportional to 133,042.19, 199,457.33 and 76,818.52 is: 115,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.19 : 199,457.33 = 76,818.52 : x
  2. Step 2: Convert to fraction form
    133,042.19/199,457.33 = 76,818.52/x
  3. Step 3: Cross multiply
    133,042.19x = 199,457.33 × 76,818.52
  4. Step 4: Simplify right side
    133,042.19x = 15,322,016,509.66
  5. Step 5: Solve for x
    x = 15,322,016,509.66/133,042.19
  6. Step 6: Final answer
    x = 115,166.60

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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.