Home / 101,564.17-140,158.68-55,623.60

Finding the Fourth Proportional to 101,564.17, 140,158.68 and 55,623.60

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Solution

The fourth proportional to 101,564.17, 140,158.68 and 55,623.60 is: 76,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,564.17 : 140,158.68 = 55,623.60 : x
  2. Step 2: Convert to fraction form
    101,564.17/140,158.68 = 55,623.60/x
  3. Step 3: Cross multiply
    101,564.17x = 140,158.68 × 55,623.60
  4. Step 4: Simplify right side
    101,564.17x = 7,796,130,352.85
  5. Step 5: Solve for x
    x = 7,796,130,352.85/101,564.17
  6. Step 6: Final answer
    x = 76,760.64

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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.