Home / 174,670.20-262,005.30-145,145.70

Finding the Fourth Proportional to 174,670.20, 262,005.30 and 145,145.70

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Solution

The fourth proportional to 174,670.20, 262,005.30 and 145,145.70 is: 217,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,670.20 : 262,005.30 = 145,145.70 : x
  2. Step 2: Convert to fraction form
    174,670.20/262,005.30 = 145,145.70/x
  3. Step 3: Cross multiply
    174,670.20x = 262,005.30 × 145,145.70
  4. Step 4: Simplify right side
    174,670.20x = 38,028,942,672.21
  5. Step 5: Solve for x
    x = 38,028,942,672.21/174,670.20
  6. Step 6: Final answer
    x = 217,718.55

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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.