Home / 173,904.17-260,409.94-120,520.10

Finding the Fourth Proportional to 173,904.17, 260,409.94 and 120,520.10

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Solution

The fourth proportional to 173,904.17, 260,409.94 and 120,520.10 is: 180,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,904.17 : 260,409.94 = 120,520.10 : x
  2. Step 2: Convert to fraction form
    173,904.17/260,409.94 = 120,520.10/x
  3. Step 3: Cross multiply
    173,904.17x = 260,409.94 × 120,520.10
  4. Step 4: Simplify right side
    173,904.17x = 31,384,632,359.52
  5. Step 5: Solve for x
    x = 31,384,632,359.52/173,904.17
  6. Step 6: Final answer
    x = 180,470.85

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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.