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Finding the Fourth Proportional to 101,272.74, 152,004.45 and 51,388.65

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Solution

The fourth proportional to 101,272.74, 152,004.45 and 51,388.65 is: 77,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,272.74 : 152,004.45 = 51,388.65 : x
  2. Step 2: Convert to fraction form
    101,272.74/152,004.45 = 51,388.65/x
  3. Step 3: Cross multiply
    101,272.74x = 152,004.45 × 51,388.65
  4. Step 4: Simplify right side
    101,272.74x = 7,811,303,479.49
  5. Step 5: Solve for x
    x = 7,811,303,479.49/101,272.74
  6. Step 6: Final answer
    x = 77,131.35

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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.