Home / 172,567.68-238,095.38-103,638.74

Finding the Fourth Proportional to 172,567.68, 238,095.38 and 103,638.74

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Solution

The fourth proportional to 172,567.68, 238,095.38 and 103,638.74 is: 142,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,567.68 : 238,095.38 = 103,638.74 : x
  2. Step 2: Convert to fraction form
    172,567.68/238,095.38 = 103,638.74/x
  3. Step 3: Cross multiply
    172,567.68x = 238,095.38 × 103,638.74
  4. Step 4: Simplify right side
    172,567.68x = 24,675,905,183.02
  5. Step 5: Solve for x
    x = 24,675,905,183.02/172,567.68
  6. Step 6: Final answer
    x = 142,992.62

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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.