Home / 101,997.60-140,754.76-56,675.24

Finding the Fourth Proportional to 101,997.60, 140,754.76 and 56,675.24

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Solution

The fourth proportional to 101,997.60, 140,754.76 and 56,675.24 is: 78,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,997.60 : 140,754.76 = 56,675.24 : x
  2. Step 2: Convert to fraction form
    101,997.60/140,754.76 = 56,675.24/x
  3. Step 3: Cross multiply
    101,997.60x = 140,754.76 × 56,675.24
  4. Step 4: Simplify right side
    101,997.60x = 7,977,309,804.14
  5. Step 5: Solve for x
    x = 7,977,309,804.14/101,997.60
  6. Step 6: Final answer
    x = 78,210.76

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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.