Home / 171,946.20-257,919.30-112,160.10

Finding the Fourth Proportional to 171,946.20, 257,919.30 and 112,160.10

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Solution

The fourth proportional to 171,946.20, 257,919.30 and 112,160.10 is: 168,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,946.20 : 257,919.30 = 112,160.10 : x
  2. Step 2: Convert to fraction form
    171,946.20/257,919.30 = 112,160.10/x
  3. Step 3: Cross multiply
    171,946.20x = 257,919.30 × 112,160.10
  4. Step 4: Simplify right side
    171,946.20x = 28,928,254,479.93
  5. Step 5: Solve for x
    x = 28,928,254,479.93/171,946.20
  6. Step 6: Final answer
    x = 168,240.15

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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.