Home / 171,627.04-257,440.80-71,732.56

Finding the Fourth Proportional to 171,627.04, 257,440.80 and 71,732.56

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Solution

The fourth proportional to 171,627.04, 257,440.80 and 71,732.56 is: 107,598.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,627.04 : 257,440.80 = 71,732.56 : x
  2. Step 2: Convert to fraction form
    171,627.04/257,440.80 = 71,732.56/x
  3. Step 3: Cross multiply
    171,627.04x = 257,440.80 × 71,732.56
  4. Step 4: Simplify right side
    171,627.04x = 18,466,887,632.45
  5. Step 5: Solve for x
    x = 18,466,887,632.45/171,627.04
  6. Step 6: Final answer
    x = 107,598.94

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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.