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Finding the Fourth Proportional to 101,143.76, 151,745.74 and 44,976.13

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Solution

The fourth proportional to 101,143.76, 151,745.74 and 44,976.13 is: 67,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.76 : 151,745.74 = 44,976.13 : x
  2. Step 2: Convert to fraction form
    101,143.76/151,745.74 = 44,976.13/x
  3. Step 3: Cross multiply
    101,143.76x = 151,745.74 × 44,976.13
  4. Step 4: Simplify right side
    101,143.76x = 6,824,935,637.38
  5. Step 5: Solve for x
    x = 6,824,935,637.38/101,143.76
  6. Step 6: Final answer
    x = 67,477.58

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1.5x scale

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.