Home / 115,269.18-159,011-93,782.94

Finding the Fourth Proportional to 115,269.18, 159,011 and 93,782.94

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Solution

The fourth proportional to 115,269.18, 159,011 and 93,782.94 is: 129,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,269.18 : 159,011 = 93,782.94 : x
  2. Step 2: Convert to fraction form
    115,269.18/159,011 = 93,782.94/x
  3. Step 3: Cross multiply
    115,269.18x = 159,011 × 93,782.94
  4. Step 4: Simplify right side
    115,269.18x = 14,912,519,072.34
  5. Step 5: Solve for x
    x = 14,912,519,072.34/115,269.18
  6. Step 6: Final answer
    x = 129,371.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.