Home / 163,701.52-245,668.92-74,899.60

Finding the Fourth Proportional to 163,701.52, 245,668.92 and 74,899.60

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Solution

The fourth proportional to 163,701.52, 245,668.92 and 74,899.60 is: 112,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,701.52 : 245,668.92 = 74,899.60 : x
  2. Step 2: Convert to fraction form
    163,701.52/245,668.92 = 74,899.60/x
  3. Step 3: Cross multiply
    163,701.52x = 245,668.92 × 74,899.60
  4. Step 4: Simplify right side
    163,701.52x = 18,400,503,840.43
  5. Step 5: Solve for x
    x = 18,400,503,840.43/163,701.52
  6. Step 6: Final answer
    x = 112,402.77

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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.