Home / 102,077.74-152,789.01-54,574.12

Finding the Fourth Proportional to 102,077.74, 152,789.01 and 54,574.12

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Solution

The fourth proportional to 102,077.74, 152,789.01 and 54,574.12 is: 81,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,077.74 : 152,789.01 = 54,574.12 : x
  2. Step 2: Convert to fraction form
    102,077.74/152,789.01 = 54,574.12/x
  3. Step 3: Cross multiply
    102,077.74x = 152,789.01 × 54,574.12
  4. Step 4: Simplify right side
    102,077.74x = 8,338,325,766.42
  5. Step 5: Solve for x
    x = 8,338,325,766.42/102,077.74
  6. Step 6: Final answer
    x = 81,686.03

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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.