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Finding the Fourth Proportional to 101,450.70, 152,139.60 and 51,514.20

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Solution

The fourth proportional to 101,450.70, 152,139.60 and 51,514.20 is: 77,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,450.70 : 152,139.60 = 51,514.20 : x
  2. Step 2: Convert to fraction form
    101,450.70/152,139.60 = 51,514.20/x
  3. Step 3: Cross multiply
    101,450.70x = 152,139.60 × 51,514.20
  4. Step 4: Simplify right side
    101,450.70x = 7,837,349,782.32
  5. Step 5: Solve for x
    x = 7,837,349,782.32/101,450.70
  6. Step 6: Final answer
    x = 77,252.79

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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.