Home / 74,147.52-102,303.20-42,304.96

Finding the Fourth Proportional to 74,147.52, 102,303.20 and 42,304.96

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Solution

The fourth proportional to 74,147.52, 102,303.20 and 42,304.96 is: 58,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.52 : 102,303.20 = 42,304.96 : x
  2. Step 2: Convert to fraction form
    74,147.52/102,303.20 = 42,304.96/x
  3. Step 3: Cross multiply
    74,147.52x = 102,303.20 × 42,304.96
  4. Step 4: Simplify right side
    74,147.52x = 4,327,932,783.87
  5. Step 5: Solve for x
    x = 4,327,932,783.87/74,147.52
  6. Step 6: Final answer
    x = 58,369.22

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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.