Home / 101,274.79-151,944.64-70,911.55

Finding the Fourth Proportional to 101,274.79, 151,944.64 and 70,911.55

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Solution

The fourth proportional to 101,274.79, 151,944.64 and 70,911.55 is: 106,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,274.79 : 151,944.64 = 70,911.55 : x
  2. Step 2: Convert to fraction form
    101,274.79/151,944.64 = 70,911.55/x
  3. Step 3: Cross multiply
    101,274.79x = 151,944.64 × 70,911.55
  4. Step 4: Simplify right side
    101,274.79x = 10,774,629,582.03
  5. Step 5: Solve for x
    x = 10,774,629,582.03/101,274.79
  6. Step 6: Final answer
    x = 106,390.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.