Home / 101,529.38-140,125.20-58,500.63

Finding the Fourth Proportional to 101,529.38, 140,125.20 and 58,500.63

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Solution

The fourth proportional to 101,529.38, 140,125.20 and 58,500.63 is: 80,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,529.38 : 140,125.20 = 58,500.63 : x
  2. Step 2: Convert to fraction form
    101,529.38/140,125.20 = 58,500.63/x
  3. Step 3: Cross multiply
    101,529.38x = 140,125.20 × 58,500.63
  4. Step 4: Simplify right side
    101,529.38x = 8,197,412,478.88
  5. Step 5: Solve for x
    x = 8,197,412,478.88/101,529.38
  6. Step 6: Final answer
    x = 80,739.31

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1.5x scale

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.