Home / 144,319.74-199,152.66-79,785.11

Finding the Fourth Proportional to 144,319.74, 199,152.66 and 79,785.11

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Solution

The fourth proportional to 144,319.74, 199,152.66 and 79,785.11 is: 110,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,319.74 : 199,152.66 = 79,785.11 : x
  2. Step 2: Convert to fraction form
    144,319.74/199,152.66 = 79,785.11/x
  3. Step 3: Cross multiply
    144,319.74x = 199,152.66 × 79,785.11
  4. Step 4: Simplify right side
    144,319.74x = 15,889,416,699.40
  5. Step 5: Solve for x
    x = 15,889,416,699.40/144,319.74
  6. Step 6: Final answer
    x = 110,098.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.