Home / 115,739.32-173,325.88-104,520

Finding the Fourth Proportional to 115,739.32, 173,325.88 and 104,520

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Solution

The fourth proportional to 115,739.32, 173,325.88 and 104,520 is: 156,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,739.32 : 173,325.88 = 104,520 : x
  2. Step 2: Convert to fraction form
    115,739.32/173,325.88 = 104,520/x
  3. Step 3: Cross multiply
    115,739.32x = 173,325.88 × 104,520
  4. Step 4: Simplify right side
    115,739.32x = 18,116,020,977.60
  5. Step 5: Solve for x
    x = 18,116,020,977.60/115,739.32
  6. Step 6: Final answer
    x = 156,524.34

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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.