Home / 173,365.24-260,116.86-66,720.56

Finding the Fourth Proportional to 173,365.24, 260,116.86 and 66,720.56

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Solution

The fourth proportional to 173,365.24, 260,116.86 and 66,720.56 is: 100,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,365.24 : 260,116.86 = 66,720.56 : x
  2. Step 2: Convert to fraction form
    173,365.24/260,116.86 = 66,720.56/x
  3. Step 3: Cross multiply
    173,365.24x = 260,116.86 × 66,720.56
  4. Step 4: Simplify right side
    173,365.24x = 17,355,142,564.64
  5. Step 5: Solve for x
    x = 17,355,142,564.64/173,365.24
  6. Step 6: Final answer
    x = 100,107.40

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1.5x scale

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.