Home / 175,128.60-262,712.37-75,298.89

Finding the Fourth Proportional to 175,128.60, 262,712.37 and 75,298.89

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Solution

The fourth proportional to 175,128.60, 262,712.37 and 75,298.89 is: 112,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,128.60 : 262,712.37 = 75,298.89 : x
  2. Step 2: Convert to fraction form
    175,128.60/262,712.37 = 75,298.89/x
  3. Step 3: Cross multiply
    175,128.60x = 262,712.37 × 75,298.89
  4. Step 4: Simplify right side
    175,128.60x = 19,781,949,850.27
  5. Step 5: Solve for x
    x = 19,781,949,850.27/175,128.60
  6. Step 6: Final answer
    x = 112,956.71

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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.