Home / 239,403.99-359,116.92-89,605.43

Finding the Fourth Proportional to 239,403.99, 359,116.92 and 89,605.43

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Solution

The fourth proportional to 239,403.99, 359,116.92 and 89,605.43 is: 134,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,403.99 : 359,116.92 = 89,605.43 : x
  2. Step 2: Convert to fraction form
    239,403.99/359,116.92 = 89,605.43/x
  3. Step 3: Cross multiply
    239,403.99x = 359,116.92 × 89,605.43
  4. Step 4: Simplify right side
    239,403.99x = 32,178,824,241.29
  5. Step 5: Solve for x
    x = 32,178,824,241.29/239,403.99
  6. Step 6: Final answer
    x = 134,412.23

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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.