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Finding the Fourth Proportional to 63,143.01, 94,730.18 and 18,769.68

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Solution

The fourth proportional to 63,143.01, 94,730.18 and 18,769.68 is: 28,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.01 : 94,730.18 = 18,769.68 : x
  2. Step 2: Convert to fraction form
    63,143.01/94,730.18 = 18,769.68/x
  3. Step 3: Cross multiply
    63,143.01x = 94,730.18 × 18,769.68
  4. Step 4: Simplify right side
    63,143.01x = 1,778,055,071.09
  5. Step 5: Solve for x
    x = 1,778,055,071.09/63,143.01
  6. Step 6: Final answer
    x = 28,159.18

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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.