Home / 209,871.41-314,899.85-110,007.72

Finding the Fourth Proportional to 209,871.41, 314,899.85 and 110,007.72

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Solution

The fourth proportional to 209,871.41, 314,899.85 and 110,007.72 is: 165,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,871.41 : 314,899.85 = 110,007.72 : x
  2. Step 2: Convert to fraction form
    209,871.41/314,899.85 = 110,007.72/x
  3. Step 3: Cross multiply
    209,871.41x = 314,899.85 × 110,007.72
  4. Step 4: Simplify right side
    209,871.41x = 34,641,414,801.86
  5. Step 5: Solve for x
    x = 34,641,414,801.86/209,871.41
  6. Step 6: Final answer
    x = 165,060.19

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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.