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Finding the Fourth Proportional to 101,000.34, 151,502.67 and 30,879.72

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Solution

The fourth proportional to 101,000.34, 151,502.67 and 30,879.72 is: 46,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,000.34 : 151,502.67 = 30,879.72 : x
  2. Step 2: Convert to fraction form
    101,000.34/151,502.67 = 30,879.72/x
  3. Step 3: Cross multiply
    101,000.34x = 151,502.67 × 30,879.72
  4. Step 4: Simplify right side
    101,000.34x = 4,678,360,028.85
  5. Step 5: Solve for x
    x = 4,678,360,028.85/101,000.34
  6. Step 6: Final answer
    x = 46,320.24

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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.