Home / 102,195.65-141,036.62-56,873.49

Finding the Fourth Proportional to 102,195.65, 141,036.62 and 56,873.49

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Solution

The fourth proportional to 102,195.65, 141,036.62 and 56,873.49 is: 78,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,195.65 : 141,036.62 = 56,873.49 : x
  2. Step 2: Convert to fraction form
    102,195.65/141,036.62 = 56,873.49/x
  3. Step 3: Cross multiply
    102,195.65x = 141,036.62 × 56,873.49
  4. Step 4: Simplify right side
    102,195.65x = 8,021,245,097.19
  5. Step 5: Solve for x
    x = 8,021,245,097.19/102,195.65
  6. Step 6: Final answer
    x = 78,489.11

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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.