Home / 115,370.76-159,201.54-64,379.64

Finding the Fourth Proportional to 115,370.76, 159,201.54 and 64,379.64

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Solution

The fourth proportional to 115,370.76, 159,201.54 and 64,379.64 is: 88,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,370.76 : 159,201.54 = 64,379.64 : x
  2. Step 2: Convert to fraction form
    115,370.76/159,201.54 = 64,379.64/x
  3. Step 3: Cross multiply
    115,370.76x = 159,201.54 × 64,379.64
  4. Step 4: Simplify right side
    115,370.76x = 10,249,337,832.65
  5. Step 5: Solve for x
    x = 10,249,337,832.65/115,370.76
  6. Step 6: Final answer
    x = 88,838.26

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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.