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Finding the Fourth Proportional to 153,937, 230,944.38 and 43,129

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Solution

The fourth proportional to 153,937, 230,944.38 and 43,129 is: 64,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,937 : 230,944.38 = 43,129 : x
  2. Step 2: Convert to fraction form
    153,937/230,944.38 = 43,129/x
  3. Step 3: Cross multiply
    153,937x = 230,944.38 × 43,129
  4. Step 4: Simplify right side
    153,937x = 9,960,400,165.02
  5. Step 5: Solve for x
    x = 9,960,400,165.02/153,937
  6. Step 6: Final answer
    x = 64,704.39

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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.