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Finding the Fourth Proportional to 101,013.50, 151,521.01 and 44,838.51

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Solution

The fourth proportional to 101,013.50, 151,521.01 and 44,838.51 is: 67,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,013.50 : 151,521.01 = 44,838.51 : x
  2. Step 2: Convert to fraction form
    101,013.50/151,521.01 = 44,838.51/x
  3. Step 3: Cross multiply
    101,013.50x = 151,521.01 × 44,838.51
  4. Step 4: Simplify right side
    101,013.50x = 6,793,976,322.10
  5. Step 5: Solve for x
    x = 6,793,976,322.10/101,013.50
  6. Step 6: Final answer
    x = 67,258.10

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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.