Home / 101,977.46-140,615.44-69,717.35

Finding the Fourth Proportional to 101,977.46, 140,615.44 and 69,717.35

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Solution

The fourth proportional to 101,977.46, 140,615.44 and 69,717.35 is: 96,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,977.46 : 140,615.44 = 69,717.35 : x
  2. Step 2: Convert to fraction form
    101,977.46/140,615.44 = 69,717.35/x
  3. Step 3: Cross multiply
    101,977.46x = 140,615.44 × 69,717.35
  4. Step 4: Simplify right side
    101,977.46x = 9,803,335,426.59
  5. Step 5: Solve for x
    x = 9,803,335,426.59/101,977.46
  6. Step 6: Final answer
    x = 96,132.38

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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.