Home / 171,970.04-257,819.39-108,656.71

Finding the Fourth Proportional to 171,970.04, 257,819.39 and 108,656.71

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Solution

The fourth proportional to 171,970.04, 257,819.39 and 108,656.71 is: 162,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,970.04 : 257,819.39 = 108,656.71 : x
  2. Step 2: Convert to fraction form
    171,970.04/257,819.39 = 108,656.71/x
  3. Step 3: Cross multiply
    171,970.04x = 257,819.39 × 108,656.71
  4. Step 4: Simplify right side
    171,970.04x = 28,013,807,404.07
  5. Step 5: Solve for x
    x = 28,013,807,404.07/171,970.04
  6. Step 6: Final answer
    x = 162,899.35

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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.