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Finding the Fourth Proportional to 163,498.29, 225,630.29 and 89,913.84

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Solution

The fourth proportional to 163,498.29, 225,630.29 and 89,913.84 is: 124,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,498.29 : 225,630.29 = 89,913.84 : x
  2. Step 2: Convert to fraction form
    163,498.29/225,630.29 = 89,913.84/x
  3. Step 3: Cross multiply
    163,498.29x = 225,630.29 × 89,913.84
  4. Step 4: Simplify right side
    163,498.29x = 20,287,285,794.21
  5. Step 5: Solve for x
    x = 20,287,285,794.21/163,498.29
  6. Step 6: Final answer
    x = 124,082.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.