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Finding the Fourth Proportional to 101,271.78, 152,000.25 and 51,386.22

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Solution

The fourth proportional to 101,271.78, 152,000.25 and 51,386.22 is: 77,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,271.78 : 152,000.25 = 51,386.22 : x
  2. Step 2: Convert to fraction form
    101,271.78/152,000.25 = 51,386.22/x
  3. Step 3: Cross multiply
    101,271.78x = 152,000.25 × 51,386.22
  4. Step 4: Simplify right side
    101,271.78x = 7,810,718,286.56
  5. Step 5: Solve for x
    x = 7,810,718,286.56/101,271.78
  6. Step 6: Final answer
    x = 77,126.31

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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.