Home / 101,556.79-140,148.50-55,616.22

Finding the Fourth Proportional to 101,556.79, 140,148.50 and 55,616.22

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Solution

The fourth proportional to 101,556.79, 140,148.50 and 55,616.22 is: 76,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,556.79 : 140,148.50 = 55,616.22 : x
  2. Step 2: Convert to fraction form
    101,556.79/140,148.50 = 55,616.22/x
  3. Step 3: Cross multiply
    101,556.79x = 140,148.50 × 55,616.22
  4. Step 4: Simplify right side
    101,556.79x = 7,794,529,530.59
  5. Step 5: Solve for x
    x = 7,794,529,530.59/101,556.79
  6. Step 6: Final answer
    x = 76,750.45

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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.