Home / 115,247.50-159,029.91-64,255.46

Finding the Fourth Proportional to 115,247.50, 159,029.91 and 64,255.46

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Solution

The fourth proportional to 115,247.50, 159,029.91 and 64,255.46 is: 88,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247.50 : 159,029.91 = 64,255.46 : x
  2. Step 2: Convert to fraction form
    115,247.50/159,029.91 = 64,255.46/x
  3. Step 3: Cross multiply
    115,247.50x = 159,029.91 × 64,255.46
  4. Step 4: Simplify right side
    115,247.50x = 10,218,539,225.66
  5. Step 5: Solve for x
    x = 10,218,539,225.66/115,247.50
  6. Step 6: Final answer
    x = 88,666.04

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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.