Home / 175,387.04-263,119.50-81,841.76

Finding the Fourth Proportional to 175,387.04, 263,119.50 and 81,841.76

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Solution

The fourth proportional to 175,387.04, 263,119.50 and 81,841.76 is: 122,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,387.04 : 263,119.50 = 81,841.76 : x
  2. Step 2: Convert to fraction form
    175,387.04/263,119.50 = 81,841.76/x
  3. Step 3: Cross multiply
    175,387.04x = 263,119.50 × 81,841.76
  4. Step 4: Simplify right side
    175,387.04x = 21,534,161,654.72
  5. Step 5: Solve for x
    x = 21,534,161,654.72/175,387.04
  6. Step 6: Final answer
    x = 122,780.81

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1.5x scale

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.