Home / 101,346.20-151,277.12-89,375.72

Finding the Fourth Proportional to 101,346.20, 151,277.12 and 89,375.72

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Solution

The fourth proportional to 101,346.20, 151,277.12 and 89,375.72 is: 133,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,346.20 : 151,277.12 = 89,375.72 : x
  2. Step 2: Convert to fraction form
    101,346.20/151,277.12 = 89,375.72/x
  3. Step 3: Cross multiply
    101,346.20x = 151,277.12 × 89,375.72
  4. Step 4: Simplify right side
    101,346.20x = 13,520,501,519.53
  5. Step 5: Solve for x
    x = 13,520,501,519.53/101,346.20
  6. Step 6: Final answer
    x = 133,409.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.