Home / 101,862.44-140,563.50-56,538.24

Finding the Fourth Proportional to 101,862.44, 140,563.50 and 56,538.24

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Solution

The fourth proportional to 101,862.44, 140,563.50 and 56,538.24 is: 78,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,862.44 : 140,563.50 = 56,538.24 : x
  2. Step 2: Convert to fraction form
    101,862.44/140,563.50 = 56,538.24/x
  3. Step 3: Cross multiply
    101,862.44x = 140,563.50 × 56,538.24
  4. Step 4: Simplify right side
    101,862.44x = 7,947,212,898.24
  5. Step 5: Solve for x
    x = 7,947,212,898.24/101,862.44
  6. Step 6: Final answer
    x = 78,019.07

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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.