Home / 209,875.20-289,399.04-141,773.92

Finding the Fourth Proportional to 209,875.20, 289,399.04 and 141,773.92

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Solution

The fourth proportional to 209,875.20, 289,399.04 and 141,773.92 is: 195,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,875.20 : 289,399.04 = 141,773.92 : x
  2. Step 2: Convert to fraction form
    209,875.20/289,399.04 = 141,773.92/x
  3. Step 3: Cross multiply
    209,875.20x = 289,399.04 × 141,773.92
  4. Step 4: Simplify right side
    209,875.20x = 41,029,236,345.04
  5. Step 5: Solve for x
    x = 41,029,236,345.04/209,875.20
  6. Step 6: Final answer
    x = 195,493.49

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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.