Home / 163,513.70-245,270.55-121,523.30

Finding the Fourth Proportional to 163,513.70, 245,270.55 and 121,523.30

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Solution

The fourth proportional to 163,513.70, 245,270.55 and 121,523.30 is: 182,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,513.70 : 245,270.55 = 121,523.30 : x
  2. Step 2: Convert to fraction form
    163,513.70/245,270.55 = 121,523.30/x
  3. Step 3: Cross multiply
    163,513.70x = 245,270.55 × 121,523.30
  4. Step 4: Simplify right side
    163,513.70x = 29,806,086,628.82
  5. Step 5: Solve for x
    x = 29,806,086,628.82/163,513.70
  6. Step 6: Final answer
    x = 182,284.95

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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.