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Finding the Fourth Proportional to 162,375.71, 243,501.26 and 55,739.79

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Solution

The fourth proportional to 162,375.71, 243,501.26 and 55,739.79 is: 83,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,375.71 : 243,501.26 = 55,739.79 : x
  2. Step 2: Convert to fraction form
    162,375.71/243,501.26 = 55,739.79/x
  3. Step 3: Cross multiply
    162,375.71x = 243,501.26 × 55,739.79
  4. Step 4: Simplify right side
    162,375.71x = 13,572,708,818.44
  5. Step 5: Solve for x
    x = 13,572,708,818.44/162,375.71
  6. Step 6: Final answer
    x = 83,588.30

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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.