Home / 175,290.40-262,727.96-80,440.63

Finding the Fourth Proportional to 175,290.40, 262,727.96 and 80,440.63

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Solution

The fourth proportional to 175,290.40, 262,727.96 and 80,440.63 is: 120,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,290.40 : 262,727.96 = 80,440.63 : x
  2. Step 2: Convert to fraction form
    175,290.40/262,727.96 = 80,440.63/x
  3. Step 3: Cross multiply
    175,290.40x = 262,727.96 × 80,440.63
  4. Step 4: Simplify right side
    175,290.40x = 21,134,001,561.99
  5. Step 5: Solve for x
    x = 21,134,001,561.99/175,290.40
  6. Step 6: Final answer
    x = 120,565.66

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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.