Home / 171,943.23-257,551.20-108,730.74

Finding the Fourth Proportional to 171,943.23, 257,551.20 and 108,730.74

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Solution

The fourth proportional to 171,943.23, 257,551.20 and 108,730.74 is: 162,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,943.23 : 257,551.20 = 108,730.74 : x
  2. Step 2: Convert to fraction form
    171,943.23/257,551.20 = 108,730.74/x
  3. Step 3: Cross multiply
    171,943.23x = 257,551.20 × 108,730.74
  4. Step 4: Simplify right side
    171,943.23x = 28,003,732,563.89
  5. Step 5: Solve for x
    x = 28,003,732,563.89/171,943.23
  6. Step 6: Final answer
    x = 162,866.15

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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.