Home / 104,927.40-157,333.39-71,685

Finding the Fourth Proportional to 104,927.40, 157,333.39 and 71,685

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Solution

The fourth proportional to 104,927.40, 157,333.39 and 71,685 is: 107,488.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,927.40 : 157,333.39 = 71,685 : x
  2. Step 2: Convert to fraction form
    104,927.40/157,333.39 = 71,685/x
  3. Step 3: Cross multiply
    104,927.40x = 157,333.39 × 71,685
  4. Step 4: Simplify right side
    104,927.40x = 11,278,443,882.94
  5. Step 5: Solve for x
    x = 11,278,443,882.94/104,927.40
  6. Step 6: Final answer
    x = 107,488.07

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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.