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Finding the Fourth Proportional to 101,345.70, 151,276.37 and 89,375.22

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Solution

The fourth proportional to 101,345.70, 151,276.37 and 89,375.22 is: 133,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,345.70 : 151,276.37 = 89,375.22 : x
  2. Step 2: Convert to fraction form
    101,345.70/151,276.37 = 89,375.22/x
  3. Step 3: Cross multiply
    101,345.70x = 151,276.37 × 89,375.22
  4. Step 4: Simplify right side
    101,345.70x = 13,520,358,849.55
  5. Step 5: Solve for x
    x = 13,520,358,849.55/101,345.70
  6. Step 6: Final answer
    x = 133,408.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.