Home / 168,719.83-252,953.67-102,143.92

Finding the Fourth Proportional to 168,719.83, 252,953.67 and 102,143.92

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Solution

The fourth proportional to 168,719.83, 252,953.67 and 102,143.92 is: 153,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,719.83 : 252,953.67 = 102,143.92 : x
  2. Step 2: Convert to fraction form
    168,719.83/252,953.67 = 102,143.92/x
  3. Step 3: Cross multiply
    168,719.83x = 252,953.67 × 102,143.92
  4. Step 4: Simplify right side
    168,719.83x = 25,837,679,432.19
  5. Step 5: Solve for x
    x = 25,837,679,432.19/168,719.83
  6. Step 6: Final answer
    x = 153,139.55

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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.