Home / 173,986.32-260,582.88-103,720.40

Finding the Fourth Proportional to 173,986.32, 260,582.88 and 103,720.40

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Solution

The fourth proportional to 173,986.32, 260,582.88 and 103,720.40 is: 155,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,986.32 : 260,582.88 = 103,720.40 : x
  2. Step 2: Convert to fraction form
    173,986.32/260,582.88 = 103,720.40/x
  3. Step 3: Cross multiply
    173,986.32x = 260,582.88 × 103,720.40
  4. Step 4: Simplify right side
    173,986.32x = 27,027,760,546.75
  5. Step 5: Solve for x
    x = 27,027,760,546.75/173,986.32
  6. Step 6: Final answer
    x = 155,344.17

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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.