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Finding the Fourth Proportional to 163,606.16, 245,540.50 and 84,742.94

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Solution

The fourth proportional to 163,606.16, 245,540.50 and 84,742.94 is: 127,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,606.16 : 245,540.50 = 84,742.94 : x
  2. Step 2: Convert to fraction form
    163,606.16/245,540.50 = 84,742.94/x
  3. Step 3: Cross multiply
    163,606.16x = 245,540.50 × 84,742.94
  4. Step 4: Simplify right side
    163,606.16x = 20,807,823,859.07
  5. Step 5: Solve for x
    x = 20,807,823,859.07/163,606.16
  6. Step 6: Final answer
    x = 127,182.40

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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.