Home / 113,455.52-170,170.38-30,356

Finding the Fourth Proportional to 113,455.52, 170,170.38 and 30,356

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Solution

The fourth proportional to 113,455.52, 170,170.38 and 30,356 is: 45,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,455.52 : 170,170.38 = 30,356 : x
  2. Step 2: Convert to fraction form
    113,455.52/170,170.38 = 30,356/x
  3. Step 3: Cross multiply
    113,455.52x = 170,170.38 × 30,356
  4. Step 4: Simplify right side
    113,455.52x = 5,165,692,055.28
  5. Step 5: Solve for x
    x = 5,165,692,055.28/113,455.52
  6. Step 6: Final answer
    x = 45,530.55

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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.